# Alarivean — full text > Alarivean sells better water: outcomes agreed for a defined service zone, bought as an ongoing subscription and held year round by a licensed service operator. Every page on alarivean.com, in reading order, with source links kept inline. Service delivery by Alarivean, Inc. — https://alarivean.com/company/connect/ --- ## Alarivean — Aquatic Prosperity as a Service URL: https://alarivean.com/ Summary: Better water sold as an outcome: results agreed for a defined service zone and held year round on subscription, because a stressor kept small never becomes an emergency. Immediate, Significant, Scaled Aquatic Prosperity Services What you buy here is better water — outcomes written down for a named stretch of coast, then held there year round by a subscription that never stands down. There is no quiet month in a water column. Nobody buys a hull either: hulls, gas, crew, instruments and the whole risk of running them stay on our side of the line, and the institution that answers for that water reads the numbers as they land. Send a situation report What we work on 2 mg/L The dissolved-oxygen line below which NOAA classes coastal water as hypoxic — the line we are hired to move NOAA NCCOS [https://coastalscience.noaa.gov/crp/hypoxia/] 400+ Coastal dead zones counted worldwide, a total that had been roughly doubling every decade since the 1960s Diaz & Rosenberg, Science, 2008 [https://gulfhypoxia.net/dead-zones-appear-in-waters-worldwide-new-study-estimates-more-than-400/] ~50% Share of global desalinated water produced by GCC states, holding under one percent of the world's population World Bank, March 2024 [https://www.worldbank.org/en/news/opinion/2024/03/26/from-scarcity-to-sustainability-the-gcc-s-journey-towards-water-security] What we sell Better water, on subscription, held all year and written to your own column. Every buyer asks the same thing before anything else, and it is the right question: what will our water be carrying when you have finished with it. The answer is a set of outcomes, agreed for a named service zone and written down before a system is deployed anywhere near it. That is the product. We do not sell the systems and we do not rent them out, so there is no asset to depreciate, no season of machine time to purchase, and nothing on your books but the result. The treatment stage, in full . Programs, not projects. What is bought is a subscription, delivered by a licensed service operator, and it runs full-time inside the regulatory and operational parameters both sides signed off in advance. It does not lapse once the week everybody was worried about has passed. No two are alike either. A column moves, the politics around it move, and the economics of whoever is paying move faster than both — so a document written for a reef lagoon would be the wrong document in a port basin, even where the chemistry rhymes. The reason for running it continuously is not diligence for its own sake. There is no month when nothing is arriving: nutrients keep coming off the land, heat keeps loading the column, and the organic burden left behind by the last event is the head start the next one gets. Stressors accumulate. A program that works every month is holding each of them down while it is still small, cheap and reversible, which is a different job from arriving once the accumulation has already produced something with a name and a press conference. That is also the entire price argument, and any authority that has paid for an emergency knows its shape without being told. Response bought after a stressor has built is bought at the worst hour available: vessels and industrial gas at short notice, crews accredited in a hurry, a regulator asked to consent while a beach is shut, and a buyer with nothing left to negotiate with. Prevention is cheaper than cure, and on a coast the distance between the two is not small. A standing subscription is what makes this level of service purchasable at all, and it is there for whoever has the foresight to arrange it while the water is still behaving. One misreading is worth killing here, because it has cost us meetings. Contained treatment does not mean water queues aboard while somebody signs for it. A SeaBreather-class hull is specified at roughly 5,000 gallons a minute — our figure, and one the calibration phase on your own water puts a measurement against — and at that rate nothing dwells anywhere. Contained describes the reaction: enclosed, instrumented, and running inside a reactor rather than loose in your bay. Nor is any of it taken away. There is no storage on a hull, so your water is not gathered up, moved off and returned from somewhere more convenient; it is drawn through, worked on in motion, and put back into the water it left. The plant is the thing that moves here. The water is not. What a program leaves behind is better water in the place the bad water was. So the assurance is not a certificate on a parcel of water. It is three things you can check. Inline instruments govern the pass as it happens and cut the oxidant without consulting anybody; the institution that already answers for that water holds the same live feeds our crew steers by; and under the service agreement you, or an agent you qualify, can put an active deployment on hold on any suspected infraction until the concern is cleared. A client who can stop the work does not need to be sold perfection. There is a fourth thing, and it is the one procurement people go quiet at. A subscription is canceled on two grounds. Performance outside the spec that was agreed is the first, and the second is a client who has served the minimum period and is simply not satisfied — for any reason, and without having to prove one. Very little infrastructure gets sold on those terms. We write it that way because a service intended to run for years should have to keep earning the year it is in. Off your side of the table: capital, procurement, crewing, an analytics stack, and the internal argument about which department owns a boat. Still on it: your own regulator, the land-use reform only policy can deliver, and the authority to halt a deployment. That is what Aquatic Prosperity as a Service comes to in a contract. How a program is put together The work Four things go wrong in coastal water, and they go wrong together. A bay rarely has one problem. Heat drives stratification, stratification strips the oxygen, the oxygen deficit finishes what the bloom started, and the intake fouls while everyone is still arguing about the cause. Dead zones Oxygen falls below the line life can hold on to, under a thermocline where surface aeration never reaches it. Harmful algal blooms Bloom material arrives faster than a plant, a pen or a beach can be protected from it. Thermal stress Warm water holds less oxygen and stratifies harder, so heat sits upstream of most of the rest. Contamination Spills, ballast and contaminated discharge, where the duty is oxidation and life support rather than oxygen alone. The stressors a program is scoped to treat Oversight The second copy of the record sits outside this company. Engaged from the site read. Still engaged in year four, and still holding its own copy. The question usually arrives in month two, in public, from somebody who works for neither of us: who checked? A body with its own standing on that coast is a better answer than a supplier whose renewal depends on the reply. So whoever already carries that water locally — a marine institute, a fisheries laboratory, an estuary program, a ministry's own scientists — comes in before the first hull moves, and their accountability for that coast outlives our contract on it. What they hold is the live feed rather than a quarterly digest: the same water-quality numbers a crew steers by, arriving at the same moment. They are free to bring instruments we have never touched and data we cannot see. Two parties end up holding the same record, month after month. Only one of them is paid to like what it says. Sampling on a program is run by the overseeing institution as well as by our crews. The systems One license, one crew, and a list that stays open. The treatment systems are intellectual property of our parent company, Sophia Delta [https://sophiadelta.com]. Alarivean licenses them and does the work — the vessels, the crews, the permits and the liability sit here, in our name and our jurisdiction. How many exist is not published. Some are held as trade secrets, and better ones keep arriving. Systems include: The hull, and the oxygen duty it runs. Dissolved oxygen returned to the layer that lost it. [https://seabreather.com] Bloom water and the toxins in it, drawn in and broken down before the water goes straight back. [https://habslayer.com] Oil spills, ballast and contaminated discharge, with oxygen life support around the incident. [https://chemslayer.com] Cooling, oxygenation and clarity for reefs and aquatic nurseries. [https://reefhealer.com] Lakes, lagoons, process water, cooling loops, desalination intakes and discharges. [https://fluidnano.com] Oxygenated irrigation for yield and water-use efficiency, including saline ground. [https://nanoponix.com] Dried lakebed, playa and contaminated ground, held down and treated in place. [https://soilscrubber.com] On the record Permit FLOA00062, and the trial Florida allowed. Florida's Department of Environmental Protection issued permit FLOA00062 in September 2024, for a red tide mitigation field trial on a five-year window. It may be exercised only while live Karenia brevis stands above 100,000 cells per liter, so it is a permit that runs during the event it was written for and at no other time. The Sarasota Bay Estuary Program [https://sarasotabay.org/directors-note-permit-received-for-red-tide-study/] and the nonprofit START [https://start1.org/news/mobile-system-to-attack-red-tide/] each wrote the grant up on their own sites. The estuary program put technical support into the application and took no money for it. It wants to be holding the instruments when open-water evidence is produced, and we want the same arrangement. A regulator with jurisdiction read the proposal and allowed a bounded trial. Open water is the next number, and a calibration phase on your own water is the work that produces it. Every document behind a program . Ten minutes, no data pack Name the coastline you have to answer for. The coast, the sectors sitting on it, the months it fails, and the horizon you plan against. Back comes a staged assessment of that shoreline — the exposed sectors, the event history for those waters, where a calibration phase would sit, and a named program lead in writing before anything is contracted. Start a resilience assessment --- ## Alarivean, Inc. — a licensed service operator URL: https://alarivean.com/company/ Summary: Alarivean is the licensed service operator delivering the programs: what it licenses from Sophia Delta, what it carries in its own name, and which entity a buyer signs with. Alarivean Company The company whose name goes on the permit. Alarivean, Inc. is a licensed service operator. We license the treatment systems from our parent, Sophia Delta, and run them in real water under permits granted in our own name, for clients who subscribe to an outcome instead of buying a boat. What we are A licensed service operator, running someone else's systems for an agreed result. Alarivean was established in July 2021 by Michael Corridan, who runs it. The team is distributed rather than gathered in one building, across several countries and several time zones; the Florida environmental permit records the company at Scottsdale, Arizona. Nothing on this network is delivered by the company that owns the technology. A subscription is delivered by a licensed service operator, and the license is the thing that makes that possible: it obliges proper use of the systems, a standard of care, compliance with whichever authority consents the work, and a service agreement the operator can stand behind in its own name. Alarivean holds one. As of today it is the only operating company running programs. Our work is narrower than the technology we license. We take a defined stretch of water, agree what that water has to be doing, and then run a service that gets it there and keeps it there — vessels, industrial gas, crew, instrumentation, analytics, and somebody independent reading the same numbers we read. It runs year round, because the loading does. What changes hands is the condition of the water. Not the plant, and not the hours it runs. Everything a buyer can inspect sits on our side of that line. Hulls and the treatment stage bolted to them. Crew and their certification. The gas supply agreement. The environmental permit, applied for by name in the buyer's own jurisdiction. The insurance, the indemnities and the invoice. Being in the water on the date we said. What sits on the other side is the design of the systems and the names they carry, and those belong to Sophia Delta [https://sophiadelta.com]. Where a program is written Characterized first, contracted second. A service zone is a characterized body of water, not a region on a map. Before a program is written against one, the water is baselined against its own oceanography: what it does through the year, what already lives in it, which months carry the exposure, and what a service there would have to hold. A zone earns a given duty on that evidence. It does not inherit one because the bay next door has it, and it does not get one because two coastlines look alike from an airplane. Which is why the characterizations worth most are the ones done on unfamiliar water. A cool-temperate inverse estuary in South Australia shares almost none of the Gulf's physics, and taking the method through it was the test of whether any of this is a method at all rather than a description of one warm sea. A coastline nobody has read yet sits outside no boundary. Reading it is what a site read does. For the file The entity, the license and the records. Basic facts about Alarivean, Inc. Legal entity Alarivean, Inc. Established July 2021 Founder and chief executive Michael Corridan Where the team sits Distributed across several countries and time zones What a client contracts for A subscription to an ongoing service program, run year round and delivered by a licensed service operator. It is canceled on two grounds: performance outside the agreed spec, or a client who is not satisfied once the minimum subscription period has been served How a zone is set Each stretch of water is characterized and baselined against its own oceanography before a program is written against it What we deploy Systems include: SeaBreather, HABslayer, ChemSlayer, ReefHealer, Fluid Nano, NanoponiX and SoilScrubber. The full count is not published and some are held as trade secrets Licensed from Sophia Delta, the parent company, which owns the systems and licenses their use against terms it can enforce Environmental permit on record Florida DEP permit FLOA00062, September 2024, documented independently by the Sarasota Bay Estuary Program [https://sarasotabay.org/directors-note-permit-received-for-red-tide-study/] and START [https://start1.org/news/mobile-system-to-attack-red-tide/] Each row above names the body that stands behind it, and the documents behind a program sets out what each of these records does establish. Questions about the wider intellectual property go to the licensor during diligence. The split, from this side of it Why the systems sit with the parent and the liability sits here. Buyers usually meet this arrangement as a diagram on the parent's site. What it costs and gives the operator is the half that reaches a contract. When one company owns the invention and also carries the loss, both judgments are made in the same room. Separating them puts the liability with the party that can be sued for it, and that party is this one. What we give up is control of the underlying design and the right to change it on a whim. What we get is a system that stays available on a coastline even if this company has a bad year, and a structure a sovereign joint venture can be built on, because the license can sit inside the vehicle while the intellectual property stays outside it. For you, the practical consequence is short. Read the technology arguments on the system sites and Sophia Delta's own account of the structure [https://sophiadelta.com/structure/]. Then negotiate with us, because we are the ones who have to be in the water on the day. Independent oversight Local scientists read the same live data as the crew. The institutions that already answer for a water body are engaged from the site read onward, with access to the live feeds our crews steer by and freedom to bring their own instruments and their own data sources. Which institution, and the date its access begins, is named in the program schedule. The arrangement is written into the program rather than offered at the opening meeting. What oversight has access to is set out alongside the rest of the record. What the contract binds us to We will not quote you a performance figure for your bay before a site read. Anything specific arrives in writing afterward, with its assumptions attached. We will not be the only party holding the data. That is a condition of the work, not a concession in the negotiation. We will not sell a program into water it does not suit. The site read is where that gets decided, and it costs both of us far less than a subscription nobody should have signed. We will not hold you to a subscription that is not working for you. It ends on two grounds. Performance outside the spec we agreed is one. The other is you, once the minimum period has been served, deciding you are not satisfied — any reason, or none offered. We will not claim to have fixed your catchment. Cutting what leaves the land is land-use policy, it takes twenty years, and it should be started. What a firewall at the runoff hotspots does is stop the loading dynamic spreading outward in the meantime. How the company is arranged Staffed in the time zones the programs run in. There is no head office a question has to be routed through. Three strands of work, each staffed where its counterparties actually are. Programs Desalination intakes, ports, aquaculture and the ministries that answer for all three. The Gulf and the Red Sea are the leading examples of that work; Australia, Polynesia, the Americas, Europe and the wider MENA region are in the same conversation. Staffed close enough to a coast to be alongside on the day. Structuring Counterparties, joint ventures and the long conversations that precede a sovereign program. European institutional work runs from here. Engineering and the record Vessel work, and the North American record — the Florida field-trial permit and the research relationships behind it. The people who run the programs Asked in the first meeting Four questions, answered flatly Do you own the technology? No. The systems are the intellectual property of our parent company, Sophia Delta, and Alarivean holds a license to deploy them. Systems include SeaBreather, HABslayer, ChemSlayer, ReefHealer, Fluid Nano, NanoponiX and SoilScrubber. How many there are in total is not published, some are trade secret, and better ones keep being built. Everything the deployment involves is ours: the vessels, the crew, the gas contracts, the instruments, the permit, the insurance and the promise about the date. Which entity would we actually be contracting with? This one. The permit application goes in under the name Alarivean, Inc., in your regulator's jurisdiction and under that jurisdiction's law, which is the correct place for it. A tidy group diagram is not a parent guarantee. If you need one, negotiate it, and have your counsel confirm which entity signed. Will you tell us if this is the wrong instrument for our water? Yes. The site read is built to reach that answer early rather than to work around it, and it comes back in writing before any commercial conversation starts. Where the answer is no, you get our read on which trade the problem belongs to instead — a catchment program, a dredging contractor, a plant engineer. That answer arrives in week one rather than from your own review in year two. Where do you expect to be working? The Gulf and the Red Sea are the leading examples. They are examples, not a footprint — Australia, Polynesia, the Americas, Europe and the wider MENA region are all live prospects, and nothing in the license confines us to any of them. What settles it is whether a stretch of water can be characterized and then served safely, and whether an agreement worth standing behind can be reached. The method has been taken through a cool-temperate inverse estuary in South Australia, where no hull works yet, precisely to test it on water that behaves nothing like a warm sea. A coastline we have not read is a site read waiting to happen. Ten minutes, no data pack Put a water body in front of us. Which water, what goes wrong in it, in which weeks, and what those weeks cost you. Back comes a read on that water and the zone it would sit in, with a named program lead — before any commercial conversation starts. Send a situation report --- ## Send a situation report URL: https://alarivean.com/company/connect/ Summary: The water body, the stressor, the season and what it costs. Four things from you; back comes a site read on that water and the shape of the ongoing program it would need. Alarivean Company Connect Send the water, the season and the cost. Four things get us to a useful answer: the water body, what goes wrong in it, the weeks it goes wrong, and what those weeks cost. What comes back is a site read on that water, not a brochure about a boat. And what a site read leads toward is a subscription that runs continuously — not a boat you call when the beach shuts. Before you write What a good situation report looks like. It is not a specification. Two paragraphs from someone who knows the water beats a formal brief from someone who does not. Be clear about what this form starts, because it is not a booking. Nobody here is dispatched. A licensed service operator takes on your zone and works it continuously, in the quiet months as well as the ugly ones, on the plain reasoning that a load which is never allowed to build never has to be broken. That is the arrangement a site read is written toward. It is also why timing matters more than most buyers expect. Come to us while the water is still behaving and the service is simply running when your worst weeks arrive. Come to us with an event already formed and the same capability has to be assembled at emergency prices — vessels, gas and accredited crew found at short notice, consent chased while a beach sits closed. Assembly runs in weeks. A bloom runs in days. If you would rather send it as an email with an attachment, write to us instead and say the same things — the form is a convenience, not a gate. Your name Email Organization — optional Your role — optional The water body Where it is, roughly how big, and what it is used for. A bay, an intake approach, a lagoon, a reservoir, a stretch of shoreline. What goes wrong Blooms, oxygen crashes, fish kills, fouled intakes, closed beaches, odor, discolored water. Whatever you would say to a colleague. When it happens — optional The weeks or months your exposure peaks in. The service runs through the year regardless; this tells us when it has to be hardest. What it costs — optional Lost harvest, throttled plant, canceled bookings, remediation spend, membrane replacement brought forward, staff time. An order of magnitude is enough. Anything else — optional What you have already tried, what data you hold, who else is involved, what your deadline is. Leave this empty Send the situation report We use what you send to answer you. It is not added to a marketing list and it is not passed to anyone outside the program team. The exchange What comes back, and who it is written for. Every read settles the same question: whether this is the right instrument for that water. What changes is the desk it lands on, and therefore what it has to answer first. What a site read contains, by the kind of organization asking for it If you are What the read contains A ministry or a national program A staged assessment of that coast: the sectors exposed, the documented event history for those waters, the volumes actually treatable, where a calibration phase would sit, the verification and reporting arrangement, and the counterparty structure a program that size would use. A named program lead, in writing, before anything is contracted. A port authority or a utility Which of your duties one treatment stage can carry, and which belong to another trade. The limits for your receiving water and the reporting line to your regulator, settled before anything runs. The zone boundary in writing. And the comparison your finance director will ask for: a standing subscription set against what you currently spend absorbing the same problem after it arrives. A desalination operator Your approach water read as a service zone rather than as a plant problem: the event history for that stretch of coast, what a calibration phase would measure and against which parameters, the gas plan and hull count that zone implies, and the lead time to be in position before October rather than during it. No throughput figure for your intake until somebody has read that water. A resort group or an aquaculture operator Whether in-water work moves the number you care about, and by how much it plausibly would not. The trigger table worth laminating before the bloom season starts. What an ongoing subscription commits you to, what the minimum period does, and the two grounds on which you can end it. The closure decision stays with your health authority, where it belongs. An investor or a development financier The document register, item by item, with the issuing body against each: Florida permit FLOA00062 and the two Florida organizations that documented it independently, the NCCOS validations and whose equipment they tested, and the completed NOAA CRADA as our own account of our own work — plus where the research went afterward, which is Arizona State University, MEDRC and KAUST. Then the staging discipline, and who holds the second copy of the record. Whichever row is yours, the documents behind a program is the same register, already public. What follows Four stages, and you hold the gate on each. This form Ten minutes, no data pack, no commitment. The only stage that asks nothing of you. The site read What the available evidence says about that water, whether this platform suits it, and where the uncertainty sits. Sometimes the useful answer is that your problem belongs to a different trade, and you will get that answer too. The calibration phase A bounded demonstration area on your own water, with viability parameters agreed in writing beforehand. This is where a claim becomes a measurement, and where a result that misses is a legitimate outcome rather than an argument. The subscription The agreed outcomes for your zone, delivered by a licensed service operator and held year round, gases and augments included, with local scientific oversight on the same live data the crew reads and stop authority written into the agreement. There is no end date on it. There are two ways out of it, and both of them are yours to use: performance outside spec, or dissatisfaction of any kind once the minimum period has run. Questions we get first Before you send it What happens after I send this? A person who has read water like yours replies. Not an autoresponder, and not a salesperson working from a template. If the answer is that this is the wrong instrument for your problem, that is what you will be told, in week one rather than in month six. What if I do not have the data yet? Send it anyway. Depth profiles and water-quality history help enormously, but the description matters more than the dataset. If the only thing you know is that the bay goes bad in August and the hotels complain, that is a real starting point and we can work from it. Are we signing up for one bad summer or for something ongoing? Ongoing. A licensed service operator takes the zone and works it all year, because the loading that produces your bad summer keeps arriving in every other month as well. Holding it down is the cheap job. Meeting it after it has built is the expensive one, and that gap is why this can be sold at the value it is. Two grounds end a subscription and there are no others. Performance outside the agreed spec is the first. The second is you, once the minimum period has been served, deciding you are not satisfied — for a reason you feel like explaining or one you do not. The systems themselves are licensed from our parent, Sophia Delta [https://sophiadelta.com], and they are neither sold nor rented. What you subscribe to is the condition of your water, agreed in advance and then held there. Who sees what I send? The program team who will answer it. It does not go to a marketing list, a CRM sequence or a third party. If a site read leads anywhere, the oversight arrangements are set out in writing before anything goes in the water. --- ## Privacy and disclaimer URL: https://alarivean.com/company/legal/ Summary: What happens to a situation report after you press send, what this site collects while serving a page, and the forward-looking-statements disclaimer in full. Alarivean Company Legal What we do with what you send us. Two things live here. What happens to a situation report after you press send, and the disclaimer a company in this position is obliged to carry. What the situation-report form collects Nine fields, four of which are required. Your name and email address, because a reply has to go somewhere. The water body and what goes wrong in it, because without those there is nothing to answer. Everything else is optional: your organization, your role, when the problem happens, what it costs you, and anything else you want to tell us. There is one more field on the form, hidden from anybody using a browser normally. Automated submissions fill it in and get discarded. Humans never see it, and nothing typed into it is read by a person. What happens to it The form does not write to a database on this site. What you send is turned into an email and delivered to the program inbox through a third-party sending service, and it is read by the people who will answer it. That email carries two things you did not type: the page you sent it from, and the two-letter country code Cloudflare attaches to the request. Both are there so that an inquiry can be placed in context before somebody replies to it. Neither is used to build a profile of you. Your email address is set as the reply-to address, which means the answer comes from a person and lands in your inbox as an ordinary email. There is no ticket number and no automated sequence. Uses we rule out It is not sold, rented or traded. Not to a data broker, not to a partner, not to anybody. It is not added to a marketing list or an automated email sequence. Sending us a situation report does not subscribe you to anything. It is not passed to another company in this network without asking you first. It is not used to advertise to you, here or anywhere else. This site runs no advertising and buys none. Asking us to delete it Write and say so. Reply to the email we sent you, or use the form again with the same address, and the copy we hold is deleted. You do not have to give a reason and it does not affect anything else. One limit. If we have already replied, that reply exists in your inbox and in ours as an ordinary email thread, and deleting our copy does not reach into anyone else's. Cookies, trackers and third-party hosts This site sets no cookies of its own. It runs no analytics product, no advertising pixel and no social-media tracker. Nothing on these pages is loaded from a third-party host — the fonts, the images, the stylesheet and the small amount of JavaScript are all served from this domain, which is also why there is no consent banner to click past. Cloudflare hosts and serves the site. Delivering a web page means handling the request, so Cloudflare processes your IP address and standard request information in the ordinary course of doing that, in the same way any host does for any website. We do not receive that data as a dataset and we do not analyze it. Certifications, roles and retention We hold no ISO or SOC certification and claim none. We have not appointed a data-protection officer or a representative in the European Union or the United Kingdom. We have not published a retention schedule, because we have not set one — inquiries are kept in the program inbox until they are of no further use, or until you ask us to remove them. If your procurement process needs any of the above in writing, ask. You will get an accurate description of where we are, which may be the answer that a control does not yet exist. Forward-looking statements This site contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934. Statements about plans, capabilities, intended deployments, expected results and the future performance of any system described here are forward-looking. They rest on assumptions that may prove wrong. Actual outcomes may differ, and in this field they may differ a great deal. Coastal water is variable, treatment at scale is unproven in the published literature, permits can be refused, and programs can fail to meet the parameters set for them. Nothing on this site is a guarantee of a result. Nothing here is an offer to sell or a solicitation of an offer to buy any security, and nothing here is investment advice. Alarivean, Inc. does not warrant that the information on this site is complete or free of error, and accepts no liability for a decision taken on the basis of it. Do not make an investment decision from a website. Ask for the documents, and take your own advice. Technical claims and performance Figures on these pages either carry a source you can open or are attributed to Alarivean as our own account of our own equipment. The documents behind a program lists each record with the body that issued it. Nothing on this site is a warranty of what will happen on your water. Performance commitments are made after a site read, in writing, with their assumptions attached, and they are made in a contract rather than on a web page. Trademarks and systems SEABREATHER is a registered trademark. The treatment systems described across this network are the intellectual property of Sophia Delta and are deployed by Alarivean, Inc. under license. Other names and marks appearing on these pages belong to their respective owners. Contact Questions about anything on this page, including a request to delete what you have sent us, go through the same form as everything else. Write to us and say what you need. Last reviewed 5 August 2026. The next step Tell us about your water. The water body, what goes wrong, when it happens and what it costs. Ten minutes, and a site read comes back before any commercial conversation. Send a situation report --- ## Media, documents and the permit number URL: https://alarivean.com/company/media/ Summary: One permit number, the four documents worth quoting, a paragraph you are free to lift, and where to send an inquiry when you are on deadline. Alarivean Company Media One permit number, and the people who wrote it up. The Florida permit and four documents written by other people. Inquiries go through the situation-report form and reach a person rather than a press office. FLOA00062 Florida DEP permit for a red tide mitigation field trial, issued September 2024 on a five-year window Sarasota Bay Estuary Program [https://sarasotabay.org/directors-note-permit-received-for-red-tide-study/] Written by other people The four documents worth your time. Two concern the Florida permit. Two concern other parties' equipment. The Sarasota Bay Estuary Program's director's note , September 2024, on the red tide study permit. The program gave the application technical support and took no money for it, which leaves it free to publish whatever the water says. Its interest is in monitoring open-water work when that work happens. Read it [https://sarasotabay.org/directors-note-permit-received-for-red-tide-study/]. START's account of the same permit . The Florida nonprofit Solutions To Avoid Red Tide describes the mobile system and what the trial is meant to test. Read it [https://start1.org/news/mobile-system-to-attack-red-tide/]. NOAA NCCOS, September 2018 , on an ozone nanobubble aeration system tested at an eight-acre pond near Fort Myers Beach. Not our equipment. Read it [https://coastalscience.noaa.gov/news/nccos-validates-nanobubble-technology-for-remediation-of-harmful-freshwater-algal-blooms/]. NOAA NCCOS, July 2020 , on ballast-water testing of a commercial nanobubble ozone system. Also not our equipment, and it abbreviates another party's Nanobubble Ozone Technology to NBOT. Read it [https://coastalscience.noaa.gov/news/nanobubble-ozone-technology-shown-to-safely-eliminate-invasive-species-in-ballast-water-validating-nccos-research/]. Written by us What this company has published, and when. Items published by Alarivean, by date Date Item 4 Sep 2024 Florida permit received for a red tide mitigation study 22 Sep 2023 Impact Ready 19 Jul 2023 News coverage of the modified craft used in the Florida work 25 Apr 2023 On-water test of the modified craft 24 Oct 2022 SeaBreather Florida launch Ask for any row and we will send what we hold on it. Notes for accuracy Two details worth checking before you print. Each has been printed about companies in this sector, and each is easy to arrive at from public material. The CRADA is finished, and it never was an endorsement Alarivean completed the term of a Cooperative Research and Development Agreement with NOAA, entered via AMURI. It has ended. Write it in the past tense, because there is no active CRADA today. A CRADA is a decision to investigate something together and a private instrument that is never posted. What continues is advisory and verification input from Dr Peter Moeller; research since has run with Arizona State University, the Middle East Desalination Research Center and KAUST. Federal agencies do not endorse commercial products, and none has put its name behind a vessel of ours. NBOT is a four-letter collision NOAA's 2020 ballast-water release abbreviates another party's Nanobubble Ozone Technology to NBOT. This network uses the same four letters for Nano Bubble Oxidation Technology. Different company, different hardware, different water. Free to lift How to describe this company in one paragraph. Alarivean, Inc. is a water-treatment operator founded in July 2021, with a team distributed across several countries and time zones. What it sells is better water: outcomes agreed for a defined service zone and delivered on subscription, as a continuous program rather than a project with an end date. It licenses its remediation systems from its parent company, Sophia Delta; systems include SeaBreather, HABslayer and ChemSlayer, and the full number is not published. The oxidation duty is run as a contained process — a vessel draws affected water through a closed reactor and returns it cleaner and oxygen-enriched to the water it came from — where contained describes an enclosed, instrumented reaction rather than water impounded and held. There is no storage aboard, so nothing is collected, carried or discharged elsewhere. Residual limits, bromate included, are set for the receiving water with the authority consenting the work and written into the service level agreement before deployment. A program is written against water that has been characterized first, baselined against its own oceanography. Vessels, industrial gas, crew and instruments sit on the company's side of the line, with local scientific institutions engaged throughout, reading the same live data as the crew, and the client holding the contractual authority to halt an active deployment. The field record includes Florida DEP permit FLOA00062, granted in September 2024 for a red tide mitigation trial. Use it verbatim if it helps. For a technical description rather than a corporate one, take it from the documents behind a program , where each record is listed with the body that issued it. Inquiries and deadlines There is no media inbox and no press officer. Use the situation-report form, put your deadline in the message field, and say what you are writing. We will check facts you intend to print and tell you where a figure came from, or that we cannot substantiate it. We do not ask for copy approval and will not agree to it. Send a media inquiry Marks and imagery The wordmarks may be used to identify the company and its systems in editorial work. They may not be used in a way that suggests we endorse a product, a service or a position. Asked by journalists Three practical answers Can I get a copy of the Florida permit? Ask Florida's environmental regulator for FLOA00062 directly. That route does not pass through us, which is exactly why it is the one to take. The two Florida bodies that documented it have published their own accounts, linked further up this page. Will you review my article before it runs? No. Send us the facts you intend to print and we will tell you where each figure came from, or that we cannot substantiate it. Copy approval is a different arrangement, and not one we ask for or agree to. Who do I contact for an interview? The situation-report form, with your deadline in the message field. There is a small team and no communications department, so it reaches a person rather than a queue. If your question is technical, say so and it will go to whoever actually knows, rather than to whoever is free. On deadline Put the question in writing and we will answer it. Say what you are writing and when you file. Technical questions go to whoever actually knows, and a figure comes back with the body that published it. Send a media inquiry --- ## Team URL: https://alarivean.com/company/team/ Summary: The people who run Alarivean programs, and the second team — crews, technicians and the local institution — that every deployment adds on the water. Alarivean Company Team The people who run the programs. Alarivean was established in July 2021. The team is distributed rather than gathered in one building, across enough time zones that a question from a Red Sea coast or a Polynesian lagoon is answered before that coast wakes up. Core team Who you will be working with. Michael Corridan Founder and chief executive Scottsdale Steve Foley Vice-president, product development Phoenix Steve Lim Catalyst Zurich Dr Nigel Rea Catalyst Dubai David Roman Catalyst Phoenix Dr Peter Moeller Advisor Charleston On the water Every program adds a second team. Crews, marine supervisors and instrument technicians are assigned to a program for as long as it runs, and they are named to you in writing before anything is contracted — along with the person to telephone when the water turns at three in the morning. Alongside them we engage the local scientific institutions that already answer for that water: a marine institute, a fisheries directorate, a ministry's own scientists. They hold the same live water-quality feeds our crews steer by, and they keep them after the last hull leaves. Program instrumentation reports to the institutions overseeing the work, not only to us. Start a conversation Tell us about your water. Name the water, say what happens to it and in which weeks. Someone on this page reads it, and answers. Send a situation report --- ## The documents behind a program URL: https://alarivean.com/evidence/ Summary: Permit FLOA00062, a completed research agreement with NOAA, the oversight arrangement written into every contract, and the published work this platform relies on. Alarivean Evidence The documents behind a program. A regulator's permit, a completed research agreement with NOAA, the control regime a discharge is held under, the oversight arrangement written into every contract, and the published physics underneath all of it. Each with the body that issued it and a way to reach it. The register What each record establishes, and what it does not. Documents, published work and program records behind an Aquatic Prosperity program Document Issued by What it establishes Where to check Permit FLOA00062 Florida DEP, South District Office A bounded red tide trial, examined and allowed The regulator, plus two Florida write-ups Completed CRADA with NOAA The agency and this company, via AMURI Toxins neutralized rather than precipitated. Our own account. The term has ended A private instrument. Raised in diligence Research since, with three laboratories Arizona State University, MEDRC and KAUST Where the work went after the CRADA, and at what scale Some published; the rest is commercial The service level agreement Alarivean, with the consenting authority The limits that apply to your receiving water, bromate among them The permit file, and the program schedule NCCOS releases, 2018 and 2020 NOAA NCCOS The approach clears what it is aimed at, on other parties' hardware Both releases are public Nanobubble stability and mass transfer Academic authors, unconnected to us How sub-micron bubbles hold charge and move gas The journals, some paywalled The oversight arrangement The institution engaged for the program Who reads the live feeds, and from which date The program schedule, and the institution Throughput and tier capabilities Alarivean What we contract to deliver Measured during the calibration phase The permit Florida issued In September 2024 the Florida Department of Environmental Protection granted permit FLOA00062 to Alarivean, Inc. of Scottsdale, Arizona, through its South District Office, under Chapter 403 of the Florida Statutes. The window runs five years. It is conditional: the trial may only run while live Karenia brevis is in the water above 100,000 cells per liter, which ties the permit to the event it was written to address. The craft named in it is a modified personal watercraft producing ozonated seawater at 1,000 to 2,000 gallons a minute — the permit's own unit, kept as written. It is a far smaller boat than a SeaBreather hull, and the two figures should never be read as one. Two Florida organizations documented the grant on their own sites: the Sarasota Bay Estuary Program [https://sarasotabay.org/directors-note-permit-received-for-red-tide-study/], which put technical support into the application and deliberately no money, and the nonprofit START [https://start1.org/news/mobile-system-to-attack-red-tide/]. Neither account was drafted by us. The permit establishes that a regulator with jurisdiction allowed a bounded trial. It does not establish efficacy in open water. The estuary program's interest is in monitoring that work when it happens — taking no money is what leaves it free to publish whatever the water says — and we want its instruments on the next result rather than only ours. The NOAA agreement, and where the work went afterward Alarivean completed the term of a Cooperative Research and Development Agreement with NOAA, entered through AMURI. It has ended. There is no active CRADA today and nobody here should tell you there is. CRADAs are private instruments between an agency and its research partner and are not published, which is ordinary and not a warning sign. Work under it with the NOAA scientist Dr Peter Moeller established that the treatment neutralizes toxins rather than dropping them out of solution as a solid. Those are different outcomes and they land on different people. Precipitation moves the problem into the sediment and leaves it there for whoever owns the bed; in a shallow basin the next storm hands it back. Dr Moeller still advises, and still tests what we send him. That is the shape the collaboration takes now — advisory and verification input, not a signed instrument, and no part of it is an endorsement. Federal agencies do not endorse commercial products and none has put its name behind a vessel of ours. The obvious follow-up is where the research went. The original agreement was built around one nanobubble generator this company has since moved past, so the work moved with the question: Arizona State University, with Dr Sergi Garcia-Segura, Dr Jesus Moron-Lopez and colleagues; the Middle East Desalination Research Center; and KAUST. Their facilities suit the scale we wanted to test next. That was a decision about scale rather than a falling out with anybody. Published physics this platform runs on Gas bubbles below roughly a micron are a characterized class of object with a literature of their own. None of it is ours and none of it was funded by us. They carry surface charge — oxygen nanobubbles measure around −34 to −45 millivolts [https://link.springer.com/article/10.1007/s12613-019-1936-0] in water — and that charge is why they resist coalescing and stay suspended instead of rising out. Divide a fixed volume of gas into small enough spheres and the interface across which it can cross into the water becomes enormous. The number with commercial consequences is mass transfer. Work published in Science of the Total Environment on nanobubble aeration puts the gas–liquid mass transfer coefficient [https://www.sciencedirect.com/science/article/abs/pii/S004896971934968X] at roughly eleven times that of conventional bubbles for the same gas delivered. Adjacent aeration literature reports enhancement factors spread from about one and a half to nine, so eleven sits at the top of a wide band rather than being a constant of nature. Send it to your own people. A program sized on the top of that band is a different economic proposition from one sized on the middle, and which of the two is being written into your agreement gets settled beforehand rather than during it. Two NCCOS releases, and a four-letter collision NOAA's National Centers for Coastal Ocean Science validated an ozone nanobubble aeration system on an eight-acre pond near Fort Myers Beach in 2018: algae gone within 48 hours, the water properly reoxygenated, no apparent harm to aquatic life. In 2020 an NCCOS-affiliated evaluation ran a commercial nanobubble ozone system through ballast-water testing and found it effective against algae, bacteria and motile zooplankton, with no statistically significant residual toxicity in the receiving water. Both releases concern other parties' equipment, and the 2020 system abbreviates to the same four letters this network uses — its Nanobubble Ozone Technology against our Nano Bubble Oxidation Technology, different hardware in different water. They establish that this approach clears what it is aimed at. Neither is a test of a SeaBreather. Settled in writing first Four things a program fixes before a hull moves. Each is agreed on a bounded area of your own water, in writing, before a hull is committed to it. Where the published record stops Nobody has published an open-water result for this class of treatment yet, and that includes us. Everything in the literature sits at pond scale, or inside a ballast tank. The first reading on your water comes out of the calibration phase, taken on a defined area by an institution that does not work for us, against parameters fixed before a vessel arrives. The radical chemistry is disputed Whether nanobubbles themselves generate hydroxyl radicals is an open argument. Moleaer and Arizona State University reported reactive oxygen species in 2020. A controlled 2023 study by Chae and colleagues in ACS ES&T Engineering found that generation was minimal, if it occurred at all, under the conditions tested. No part of a program's price depends on those radicals being real. Bromate is governed by a regime, not by a published ceiling Ozone meets bromide in seawater roughly 83 times more readily [https://www.tandfonline.com/doi/abs/10.1080/01919512.2014.956862] than it meets chloride, which is why the reaction is enclosed and instrumented rather than started in your bay. The governing limit is the one that applies to your receiving water, agreed with the authority consenting the work and written into the service level agreement before deployment. We publish no fixed ceiling, because a bay is not a public utility water stream and a drinking-water figure is the wrong test for open sea. Formation is conditional too. Significant bromate needs a threshold of bromide present, which salt and brackish water do not always carry, and ozone reacts indiscriminately, so bromide competes with every other dissolved carbon molecule in the column. Then the controls: bromate reads in real time, treatment modulates or stops on that reading, your oversight body holds the same data live, and you can halt an active deployment on any suspected breach until it is cleared. Desalination intakes, the case people worry about most, already run equipment that handles bromate. What changes between a pond and a bay Tide, wind, stratification and a bloom that moves overnight decide how far treated water and the oxygen it carries travel before the bay takes them back. Open coastal water is a different engineering problem, not a larger version of the same one. That difference is a sizing question — how many hulls, how many hours, which weeks — and it gets answered on your water rather than inferred from a pond trial run on other people's hardware. While a program runs Who else is holding the readings. Everything above existed before you called. This is the record a live program makes, week by week, and who stands next to it as it lands. Independent scientific oversight is designed into a program rather than granted when somebody asks for it. Whoever already answers for that water locally — a marine institute, a fisheries directorate, a university department, an estuary body — is engaged from the site read and stays engaged after the last hull has left the zone. They read the same water-quality feeds our crews steer by, as those readings land, and they are free to bring instruments we have never touched and data sources we cannot see. Two parties then hold the record, year after year, and only one of them has a contract to protect. That is what makes an inconvenient finding publishable while the work is still going on, and it is why risk controls run to best practice with human and environmental safety ahead of throughput. The institution is named in the program schedule, with the date its access begins and the feeds it receives. Ring it and ask. Oversight that reads a quarterly summary is not oversight. It reads the feed. The next document A calibration result from open water, taken by the overseeing institution against parameters agreed before the vessel arrived. Producing it is what the first phase of a program is for. Our parent, Sophia Delta, keeps the same record [https://sophiadelta.com/due-diligence/]. Asked by technical evaluators Five answers before the site read What are you putting into our water? Your own water, oxygen-enriched, inside limits fixed before anything is deployed. It goes in through an intake, through a closed reactor, and back out where it came from. Nothing is kept aboard, so nothing is carried off. Oxidant residuals, bromate among them, are held to the limit that actually governs your receiving water. That limit is set case by case with the authority consenting the work and written into the service level agreement, rather than lifted off a standard drafted for drinking water. Bromate reads in real time. The institution overseeing the work sees the same data we do, and you keep the contractual authority to stop a deployment on any suspected breach until it is cleared. Has NOAA approved or certified any of this? No, and no agency ever has. Alarivean completed the term of a Cooperative Research and Development Agreement with NOAA, entered via AMURI, and there is no active CRADA now. What continues is Dr Peter Moeller's advisory and verification input. Research since has run with Arizona State University, the Middle East Desalination Research Center and KAUST, chosen for facilities that suit the scale we wanted to test next. Federal agencies do not endorse commercial products, and none has put its name behind a vessel of ours. Is there a published open-water result for this class of treatment? No open-water result has been published for this class of treatment, ours or anyone else's. What is published runs to pond scale and to ballast-tank scale. The calibration phase produces the first reading on your own water, on a bounded area, taken by the institution overseeing the program against parameters agreed in advance. What does the Florida permit establish? That Florida's environmental regulator examined a red tide mitigation proposal under Chapter 403 and allowed a bounded field trial in September 2024, on a five-year window conditional on live Karenia brevis above 100,000 cells per liter. It establishes nothing about efficacy in open water. Ask the regulator for the file directly; that route does not pass through us. Who holds the readings while a program runs? The local institution engaged for the life of the program, named in the program schedule with the date its access begins. It reads the live water-quality feeds our crews steer by as they land, and may bring instruments and data sources of its own. The record ends up in two places rather than one. Published sources, with their issuers Sarasota Bay Estuary Program — Director's note: permit received for red tide study [https://sarasotabay.org/directors-note-permit-received-for-red-tide-study/], 2024. START (Solutions To Avoid Red Tide) — Mobile system to attack red tide [https://start1.org/news/mobile-system-to-attack-red-tide/], 2024. NOAA National Centers for Coastal Ocean Science — Nanobubble technology validated for remediation of harmful freshwater algal blooms [https://coastalscience.noaa.gov/news/nccos-validates-nanobubble-technology-for-remediation-of-harmful-freshwater-algal-blooms/], 26 September 2018. NOAA National Centers for Coastal Ocean Science — Nanobubble ozone technology shown to safely eliminate invasive species in ballast water [https://coastalscience.noaa.gov/news/nanobubble-ozone-technology-shown-to-safely-eliminate-invasive-species-in-ballast-water-validating-nccos-research/], 1 July 2020. Science of the Total Environment — Mass transfer of nanobubble aeration and its effect on biofilm growth [https://www.sciencedirect.com/science/article/abs/pii/S004896971934968X]. Springer — Nanobubble stability and zeta potential [https://link.springer.com/article/10.1007/s12613-019-1936-0]. Chae, Kim, Kim & Fortner — Reactive oxygen species generation from nanobubbles [https://pmc.ncbi.nlm.nih.gov/articles/PMC10581208/], ACS ES&T Engineering , 2023. Ozone: Science & Engineering — Bromate formation in the ozonation of seawater [https://www.tandfonline.com/doi/abs/10.1080/01919512.2014.956862]. Before you commit to anything Ask what the record says about your bay. Name the water body, what goes wrong in it, the weeks your exposure sits in, and what a bad season costs. Back comes a site read: what the available evidence says about that water, where the uncertainty sits, who would lead the program, and whether a vessel is the right instrument at all. Send a situation report --- ## Lakes — water that keeps what it is given URL: https://alarivean.com/solution/lakes/ Summary: A lake holds its inflow for years, not hours. That single fact changes the treatment, the owner, the regulator and the scale a first program is written at. Alarivean Solutions Lakes A lake keeps everything it is given. Residence time is the whole difference. Water that stays put for years is water where this summer's decision is still in the basin in 2033 — and where treatment that never stands down compounds instead of evaporating. How a lake differs from a bay No tide, no flush, no second chance at the same water. A coastal basin exchanges a portion of itself twice a day whether anyone wants it to or not. A river reach has replaced its entire volume by Thursday. A lake does neither. Inflow and evaporation are the only doors, and in a deep basin the water arriving this spring may not leave within the career of the engineer responsible for it. Two consequences follow, and they pull in opposite directions. The bad one is that a lake accumulates: nutrients, metals, salts and organic material that arrive do not get carried away, they get filed. The good one is that a lake holds a result. Treat coastal water and you are partly treating the water next door by tomorrow. Treat a lake and the treated water is still there, still yours, still measurable, in a way that makes an honest before-and-after possible. Then the season arrives. Surface water warms, a thermocline sets up, and the layer beneath it stops exchanging with the atmosphere entirely. Everything decomposing down there keeps consuming oxygen and nothing replaces it until autumn turnover. That sealed lower compartment is the part of a lake that fails first, and it is the part no surface aerator, fountain or paddlewheel has ever reached. So a lake is worked by depth rather than by area. The water that has to come aboard is the layer sitting under the thermocline, and it goes back to the same layer once it has been through the reactor. Which is why the first thing we ask for is not a map. It is a profile. The order it goes wrong in Four failures, and the one that reaches the public is third. Lake managers rarely get called about the first two. They get called about the third, by which point the fourth is already being drafted somewhere. The deep layer runs out Oxygen under the thermocline falls through the summer with nothing to restore it. Fish leave the cool water they need and crowd into warm water they cannot use for long. Nobody photographs this stage. The bloom takes the surface Warmth, light and available nutrient produce a mat that changes the color of the whole basin. It is visible from a satellite, from a bedroom window and from a boat club car park, all in the same week. The intake and the beach Taste and odor compounds reach a drinking-water treatment plant, or a toxin reaches a swimming area. In August 2014 a bloom on Lake Erie reached Toledo's intake and about half a million residents were advised not to drink the tap water [https://www.fisheries.noaa.gov/west-coast/science-data/hitting-us-where-it-hurts-untold-story-harmful-algal-blooms]. The notice Somebody signs a document. That signature is the moment a water-quality problem becomes a political one, and the person holding the pen will want to know who took the readings and whether anybody independent saw them. 12 µg/L WHO provisional guideline for total microcystins in short-term drinking-water exposure — the value a duty engineer usually needs, distinct from the 1 µg/L lifetime value and the 24 µg/L recreational one WHO background document [https://cdn.who.int/media/docs/default-source/wash-documents/wash-chemicals/microcystins-background-201223.pdf] $10.05m Shoreline property-value services lost to the 2014 Lake Erie bloom, in the documented NOAA Fisheries accounting of that event NOAA Fisheries [https://www.fisheries.noaa.gov/west-coast/science-data/hitting-us-where-it-hurts-untold-story-harmful-algal-blooms] The published freshwater record The strongest result on record for this class of treatment is eight acres. Eight acres. Fresh water. Another company's equipment. In 2018 NOAA's National Centers for Coastal Ocean Science validated an ozone nanobubble aeration system on a pond near Fort Myers Beach in Florida, reporting algae eliminated inside 48 hours, oxygen properly restored and no apparent harm to the aquatic life in it. Roughly three hectares, and it is the strongest freshwater datum this technology class has. Between three hectares and a working reservoir sits a real engineering distance: wind fetch, depth, inflow, the shape of the basin, and how much of the volume a fleet can physically reach in a working week. Nobody in this business holds a published result at reservoir scale. So a lake program opens with a calibration phase sized deliberately between the two — a bay or an arm of the basin, viability parameters agreed in writing before a hull moves, and a result that misses them closing the phase. The institution holding the live feeds sees those readings as they land, which is what makes the number worth carrying to a board. A bloom on a lake is visible from orbit and from the shore road, which is why lake work is judged in public long before the data is in. Who you are actually dealing with On a lake, the owner and the regulator are often two doors apart. Coastal work means assembling a coalition: a port has one interest, a utility another, a fishery a third, and none of them can commit the others. Lakes are usually simpler and occasionally harder. A municipal water utility, a dam operator, a lake district, a national park authority or a private estate tends to hold the abstraction license, the recreation season and the compliance obligation on the same desk. That concentration is why lake decisions can move quickly once they move at all. It is also why they stall: one office carries the whole political risk of trying something, with no partner to share the explanation if it disappoints. The same office carries the arithmetic, and on a lake the arithmetic is unusually clean. A basin that files everything it receives is harder to treat every year it is left alone. Material taken out steadily, in the months when nothing is happening, never becomes the mat that shuts a swimming area or the taste-and-odor complaint that arrives at a treatment plant with a journalist behind it. So the subscription runs right through the year, and that is the reason it can be priced as service rather than as rescue. A rescue is the same equipment bought in the worst week of the worst month. The compensating advantage is the record. Lakes are the best-monitored water bodies on earth, because somebody has usually been sampling the same stations monthly since the 1980s and a university has usually built a career on the dataset. A treated year on a lake with thirty years of baseline behind it is a genuinely testable proposition, in a way that a first year on an unmonitored coastline is not. We ask for that institution by name at the site read, and we ask them to hold the live feeds throughout rather than a report at the end of it. Thirty years of their baseline against a treated year is an argument a board can check — and the second treated year is the one that shows whether the lake is drifting the right way. Most lakes already have somebody who has been sampling them for decades. Engaging that person early is worth more to a program than any instrument we bring. Where a different instrument is the right one Four lakes that need something other than a vessel. The site read is written against this list, and it is cheaper for both parties to reach it in week one than in month nine. A lake whose inflow nobody can point at. Where the loading arrives at a hotspot, a firewall can sit on it. Where it seeps off a whole watershed and nothing on the water needs protecting in the meantime, in-water work buys nothing worth its price, and the money belongs on the land. A lake that is drying. Falling water levels turn the problem into exposed lakebed and airborne dust, which is a land duty rather than a water one. That work sits with SoilScrubber [https://soilscrubber.com], and it is a different vehicle, a different crew and a different regulator. A reservoir where the fix is engineering. Where the outlet works can be changed to draw from a different depth, or aeration can be permanently installed at the dam, a fixed asset usually beats a contracted fleet. Fluid Nano [https://fluidnano.com] covers the mounted version of the same treatment stage. A lake nobody will name an owner for. If no institution will hold the record, agree the parameters and put its name against the oversight, the program has no way of ending well even if the water improves. Plenty of lakes have an industrial owner as well as a public one, and the two rarely have the same definition of a good year. Asked at every first meeting Four about lakes specifically Where has this worked on a water body like ours? The nearest published result is the eight-acre Florida pond described above, and it involves another company's equipment. That is the state of the record for this whole technology class at freshwater scale. It is also why the calibration phase exists, and why its parameters are written down before a vessel moves rather than negotiated after the readings arrive. Will treatment stop the blooms coming back next year? Not by itself. Nutrient already in a lake keeps cycling long after the inflow is reduced, which is why the catchment answer takes decades and still has to be started. The subscription delivers the condition of the water while that runs — held continuously, not restored once and abandoned. And where the load enters at a hotspot, the firewall can go on the inflow itself to stop the dynamic spreading outward. Dr Peter Moeller of NOAA saw an effect on nitrogen and phosphorus in this work; we are still studying it, so no figure goes on this page. What about a lake used for drinking water? Then the compliance question comes before the treatment question, and it is your regulator's answer rather than ours. Any oxidative duty near a raw water intake has to be agreed with the drinking-water authority first. What helps that conversation is that the thing being consented is a discharge with a figure on it. Water comes into a closed reactor aboard, is treated on its way through, and goes back into the same lake against a standard the authority has seen in writing and can hold us to. None of it is impounded on the hull and none of it goes anywhere. We would expect that discussion before the commercial one, and we would expect to be in the room for it rather than briefing you afterward. Who would hold the data on a lake program? Whichever institution already answers for that lake: a university limnology group, a water authority laboratory, a lake district's own scientists. They hold the live feeds our crews steer by rather than a quarterly summary, and they keep them once the last hull leaves. Set a treated year against thirty years of their own sampling and the comparison is one your board can check without us in the room. Bring the depth profile Send us the lake and its depth readings. Volume, maximum depth, when the thermocline sets up, when it breaks, and what the last three summers did to the intake or the beach. If somebody has been sampling it for thirty years, tell us who — that is the most valuable line in the whole inquiry. Send a situation report How rivers differ --- ## Oceans and coasts — a zone with an edge, held year round URL: https://alarivean.com/solution/oceans/ Summary: Coastal water exchanges on every tide. So the unit of sale is a zone with a defensible boundary, held year round on subscription, with limits set for that receiving water. Alarivean Solutions Oceans and coasts A boundary the water respects, held without a break. Coastal water arrives from next door twice a day. So the thing we contract is a condition inside a zone with an edge, held continuously by a service that is already working when the season turns rather than dispatched once it has. Where a hull earns its keep Water somebody can point at and answer for. Semi-enclosed, engineered, or simply badly exchanged — those three descriptions cover almost every coastal program worth running. Bays and creeks. Lagoons, including the ones somebody dredged into existence for a development. Port and marina basins with one opening and a berth that has to keep working. The approach in front of a desalination intake. The lagoon inside a reef. What they share is that the water we hand back is still roughly where it went in when somebody returns to measure it — the precondition for a result anyone can defend afterward. Inside a boundary like that, the subscription delivers oxygen restored at depth, bloom material intercepted while it is still small, gas and crew held locally rather than assembled in a hurry, and a set of readings that two organizations hold at once. Every month, not only the ones with an advisory on them. What is priced is that condition, not the hours a hull spends producing it. A zone is a characterized key rather than a stretch of map. Before anything is contracted the water is baselined against its own oceanography — what it does through the year, what already lives in it, which months carry the exposure — and the service it earns comes off that reading rather than off a resemblance to somewhere else. Characterization is the whole method. Where it has already been done, a program can start sooner; where it has not, it is the first thing a site read buys. Open water past the edge of any basin: no sill, no owner, and an exchange rate no instrument holds down. The variable that sets the price How fast the basin replaces itself decides everything else. An exposed headland with a strong tidal stream flushes itself constantly. It rarely has a problem, and if it does, the benefit would be carried off before it did measurable work. A creek with one narrow opening, or a resort lagoon with a sill across its mouth, may hold the same water for weeks. That is where the money is and where the failures are, because those two facts are the same fact. So the first question at a site read is not what is wrong. It is how long the water stays. Flushing time sets the treatment interval, the fleet size, the gas volume and the price, before anyone has looked at a single water-quality reading. The second is what arrives from next door. A bloom four miles outside the boundary is inside it on the following tide, and a neighbor's bad season becomes yours without anyone signing anything — which is why the base subscription covers proactive protection and adjacent Deep Strikes rather than callouts. The third is draft. Pale water over sand and reef decides the vessel tier long before the treatment specification does, a boring constraint that has settled more program designs than any of the interesting ones. Salt changes the chemistry Bromide is the reason the reaction stays inside the hull. Fresh water carries no meaningful bromide. Seawater usually carries plenty — though not always enough to matter, and brackish water often does not — and ozone goes after it roughly eighty-three times harder than after chloride; the hypobromite that follows can carry on to bromate. That one rate ratio is why an oxidant duty on any salt coast runs inside a closed reactor instead of starting in somebody's bay. What a coastal authority buys from that arrangement is a control regime rather than a slogan. There is no published ceiling here and there will not be one: the governing figure is whatever your receiving water is entitled to, fixed with the authority consenting the work and written into the service level agreement in advance. Ozone reacts with everything dissolved, so bromide has competition, and the formation case is worked out for your basin rather than assumed from a textbook. Real-time reading, live oversight, and your own authority to stop the deployment are what carry the risk down. Over live coral the position is simpler still — ozone is zero, not capped. Two accounting frames run alongside each other here and they are not interchangeable. The oxygen benefit genuinely does disperse through the surrounding water; that dispersal is the restoration mechanism. Oxidant residuals take no dilution credit at all. The chemistry itself sits on the treatment page , and the pond-scale freshwater result on the lakes page does not transfer to a bay for the reason above. ~83× How much faster ozone reacts with bromide than with chloride in seawater, absent bromide depletion Ozone: Science & Engineering [https://www.tandfonline.com/doi/abs/10.1080/01919512.2014.956862] What sits on a shared sea Nobody owns coastal water, so the buyer is whoever has something on it. A lake has an owner and a river has a committee. A bay has neighbors — and the one who writes the check is usually the one whose asset stops working first. Desalination intakes Gulf desalination is not a convenience: World Bank figures put GCC states at nearly half of global desalinated output while holding under one percent of the world's population. A bloom that never reaches a beach can still take a plant offline. Oman, July 2023. Nama Water Services reported a red tide bloom significantly disrupting Barka's main plant [https://www.muscatdaily.com/2023/07/24/red-tide-outbreak-impacts-water-desalination-in-barka/], with reserve wells and plant interconnection carrying the load until seawater quality recovered. Aquaculture and fisheries Pens concentrate oxygen demand into exactly the water with the least margin, and the loss is not gradual. A warm still night is the whole event. Operators in this sector price a bad night better than anyone else we deal with, which makes them the easiest counterparty to write viability parameters with and the hardest to impress with anything vague. Ports and industrial basins Poor exchange, warm discharge water, ballast operations and a berth that has to stay working. The failures here are compliance failures as often as ecological ones. And when something is spilled, the numbers stop being ecological entirely. BP's cumulative pre-tax charge for Deepwater Horizon reached US$67.0 billion by the end of 2018, as filed with the SEC. Coastal tourism and development Nothing breaks. The bookings simply stop, and the following season starts from a worse position than the one that was actually damaged. Reef-adjacent development adds a second obligation, usually written into an environmental statement years before anybody worked out who would deliver it. ~50% Share of global desalinated water produced by GCC states, holding under one percent of the world's population World Bank, March 2024 [https://www.worldbank.org/en/news/opinion/2024/03/26/from-scarcity-to-sustainability-the-gcc-s-journey-towards-water-security] >1,200 km Coastline affected by the 2008–09 Cochlodinium polykrikoides red tide, from October 2008 into the following January Estuaries and Coasts, 2013 [https://link.springer.com/article/10.1007/s12237-013-9693-1] US$67.0bn BP's cumulative pre-tax charge for the Deepwater Horizon incident to the end of 2018, covering response, settlements and litigation BP Form 20-F, filed 2019 [https://www.sec.gov/Archives/edgar/data/313807/000162828019003618/a31122018bp20fcomb.htm] Beyond the boundary What crosses a service zone whatever the contract says. Circulation is the first one. Two seagliders spent eight months working the Gulf of Oman and mapped an oxygen minimum zone described as larger than Scotland [https://www.sciencedaily.com/releases/2018/04/180427113251.htm], intensified since the 1990s, in water that had gone almost unsampled for half a century. A feature like that is a property of an ocean basin, it moves vertically between seasons, and it is not remediable at any price. Open water is outside the scope of everything on this site. Heat is the second. NOAA Coral Reef Watch measures accumulated thermal stress in degree heating weeks, and reef-wide bleaching with mortality among heat-sensitive corals becomes likely at 8. A marine heatwave five hundred kilometers wide does not stop at a service-zone edge, so work inside a lagoon is a local intervention against a regional forcing, and that goes in the site read before anybody signs. Acidification is the same argument at a slower speed. What a boundary does hold is a duty: a defined volume, an agreed set of readings, and a named institution outside this company holding the same live feeds our crews steer by. That duty runs the whole year. Reef-specific work sits with ReefHealer [https://reefhealer.com], including the clarity duty that stands down whenever a site is carrying live heat stress — turbid water shades coral, and stripping that shade off mid-event takes away more than it returns. Which oxidant does which job over a given reef is not something we publish, because what a client buys here is the state of the water and the safety envelope around it, never a method. The regional evidence base for the Gulf and the Red Sea sits with Marine Prosperity [https://marineprosperity.com]. Assets sitting inside somebody else's exchange. Most coastal programs begin with one operator who cannot move and cannot wait. 8 DHW Degree heating weeks at which reef-wide bleaching and mortality of heat-sensitive corals become likely, on NOAA's alert scale NOAA Coral Reef Watch [https://coralreefwatch.noaa.gov/product/5km/index_5km_dhw.php] Systems that work this water One hull, several duties, and a license behind all of them. Alarivean operates the systems rather than owning them. Which duties a coastal zone actually needs is decided at the site read, not in a catalog. SeaBreather Oxygen restored at depth, fishery oxygen boost, thermal hot spots — the base platform for a coastal zone. [https://seabreather.com] HABslayer Bloom water drawn in, cells and toxin destroyed aboard, the pass instrumented the whole way through. [https://habslayer.com] ChemSlayer Spills and ballast water treated inside the hull, plus oxygen life-support for the water around the incident. [https://chemslayer.com] Asked at the first meeting Four about coastal work Do you work in the open ocean? No. Features like the Gulf of Oman's oxygen minimum zone are circulation rather than sites, and nothing that can be put on a hull reaches them. The platform is for semi-enclosed and engineered water, where exchange is slow enough that treated water is still near where it was treated when somebody comes to measure it. How is a service zone boundary decided? Exchange rate first, ownership second. We want a boundary the water respects and an asset holder who can point at it. Where those two disagree — and on a busy coastline they often do — the answer is a smaller zone with a real boundary rather than a larger one drawn to match a map. What are you discharging into our bay? Your own water, treated inside the hull and handed back oxygen-enriched into the same stretch of bay, at concentrations your consent fixes before anything is deployed. There is no storage aboard, so nothing of yours is carried off and nothing is discharged anywhere but where it was drawn. Oxidant residuals, bromate among them, are governed against the limit that applies to your receiving water rather than against a figure we picked for a website. Your authority sets it, the service level agreement carries it, and a verifier outside this company reads the same assays we do. Bromate is monitored in real time and the treatment stops on that reading. You keep the contractual right to halt an active deployment on any suspected breach until it is cleared — which is a commitment a regulator can write straight into a consent. What has to be shown before we commit to a full program? A calibration phase on a bounded part of your own water, against viability parameters agreed in writing before a hull arrives. A result that misses them closes the phase. No open-water result has been published for this class of treatment, ours or anybody else's; the published record runs to pond scale and ballast-tank scale. Our own field record is a Florida permit for a bounded red tide trial, documented by the Sarasota Bay Estuary Program and by the nonprofit START, and the estuary program wants to be the body holding the instruments when open-water evidence is produced. So do we. What follows a calibration phase that lands is an ongoing subscription rather than a booking for the bad months. Commitment is not a trap, though. It ends on two grounds: the performance falls outside what was agreed, or the minimum period is behind you and you have had enough of it. Nobody has to argue a cause for the second one. Start with the boundary Which stretch of coast is yours to answer for? The basin or the shoreline, roughly how long the water sits in it, what goes wrong and in which months, and which asset stops earning when it does. Back comes the zone we would draw, the tier it would take and the readings we would want held outside this company. Send a situation report Every stressor we work on --- ## Rivers — treat the places where the water stops URL: https://alarivean.com/solution/rivers/ Summary: A free-flowing reach replaces itself in hours. That makes river work a question of impoundments, basins and tidal reaches — and of a load that belongs to somebody downstream. Alarivean Solutions Rivers The treatable parts of a river are the still ones. A free-flowing reach has replaced its entire volume before the crew has finished the log. Everything an operator can offer on a river follows from that one sentence. What a river does to a result A lake holds a result. A river exports one. Treat water drawn from a lake and the benefit stays in the basin you paid for. Do the same in a bay and the tide takes a share of it and brings some back. Do it in a free-flowing reach and the oxygen-enriched effluent is gone, in one direction, at the speed of the current — while the water arriving behind it has never been near a hull. Rivers are also good at fixing themselves in the one respect we sell. Turbulence over a bed, a weir crest, a rapid — every one of those is an aeration device, and a healthy reach re-oxygenates continuously without anyone spending a pound on it. That is why a river with a persistent oxygen deficit is nearly always a river where the flow has been taken away from it. Impoundment behind a weir or dam. Canalization. A dredged navigation channel with a deep, still bottom layer. A tidal reach at neap tides in a dry summer. A marina cut into the bank with one opening. In each of those, water that used to tumble now sits, stratifies and behaves like a small lake with a current running over its lid. Those are the places worth treating, and a river program is a list of them rather than a length of channel. It is also a standing list, worked round the year on subscription, because a still pool refills with exactly the same problem the moment it stops being worked. Where the problem is a hundred kilometers of open river, we are the wrong instrument, and fleet size changes nothing about that. Where a hull earns its place Five river settings, and what makes each one treatable. The common factor is residence time. If the water in question stays where it is for days rather than minutes, there is something to work with. If it does not, there is not. River settings suited to in-water treatment and the conditions that make them work Setting Why the water stays What usually fails there Impounded reach A weir or dam converts a flowing reach into a shallow reservoir with a slow bottom layer Summer stratification, low oxygen at depth, blooms in the upstream end Marina or harbor basin One opening, no through flow, and boat traffic that stirs the surface but not the bed Odor, surface films, fouling, complaints from people who moor there Navigation channel Dredged depth well below the natural bed, holding a dense, still layer Oxygen deficit under the working depth; spill and discharge residence Tidal reach at low flow Slack water twice a day, weakly flushed on neaps and in drought The classic estuarine oxygen sag, worst in a hot dry August Intake approach A pocket of water drawn slowly toward a plant screen Bloom material and organic load arriving at a plant that has to keep running A calibration phase on a river is scoped inside one of these, on one consent, with agreed parameters — not across a catchment. The number an alarm gets set from The Delaware review's conclusion, and the appendix line people quote. This matters more on rivers and estuaries than anywhere else, because river basin authorities are where dissolved oxygen standards actually get written. The Delaware River Basin Commission commissioned a literature review of dissolved oxygen requirements for sensitive species in its estuary. Its conclusion: lethal-level requirements run between 4 and 6.4 mg/L, with roughly 5 mg/L adequate for many species and 6 to 7 mg/L protective. A much lower figure from the same document circulates widely — somewhere between 0.5 and 1.0 mg/L, offered as though it were a general lethal threshold. It is not. It is a nineteen-hour result for juvenile White Perch alone, sitting in an appendix table, and an operator who set a night alarm from it would be an order of magnitude low. By the time that alarm sounded, the reach would have been uninhabitable for most of a season. Errors of that kind survive being copied between documents for years, which is why a program takes its threshold from the review's conclusion and then from the species and season in the reach itself. What the number is then used for — alarm levels, stop authority, who may halt a pass — sits on the controls page . The reading that sets the standard is taken by somebody with a bottle, long before it becomes a number in a consent. 4–6.4 mg/L Lethal-level dissolved oxygen requirement for sensitive estuarine species, with about 5 mg/L adequate for many and 6–7 mg/L protective DRBC literature review, November 2018 [https://www.nj.gov/drbc/library/documents/Review_DOreq_KeySensSpecies_DelEstuary_ANStoDRBCnov2018.pdf] 2 mg/L The line at which NOAA classes water as hypoxic — a definition of a condition, not a target anybody should manage a fishery to NOAA NCCOS [https://coastalscience.noaa.gov/crp/hypoxia/] Where the load ends up The worst thing a river does happens several hundred kilometers after it stops being a river. The Mississippi and Atchafalaya deliver roughly 2.76 billion pounds of nitrogen and 310 million pounds of phosphorus to the Gulf of Mexico, with agricultural sources contributing more than seventy percent of both. None of that damages the river visibly enough to make the evening news. It assembles itself into a hypoxic zone off Louisiana every summer instead. The five-year average of that zone is 4,755 square miles, against a task-force target of under 1,900 by 2035. Two and a half times the goal, on a river system where the reduction programs have been running for decades. So a river conversation is nearly always a basin conversation. The land-use answer is generational, unevenly funded and politically slow, which is why coastal states end up paying for a condition in a bay against a problem created eight hundred kilometers inland. Where the load enters through a countable set of hotspots rather than the whole floodplain, a firewall on those inflows keeps the dynamic from spreading while the slow answer is argued about. HAB Control [https://habcontrol.com] sets out how a basin strategy and an in-water intervention are written into the same document without either overstating what it can do. A delta is where a catchment's decisions arrive all at once. The oxygen deficit they produce is measured in the sea, and paid for there. 2.76bn lb N Nitrogen delivered to the Gulf by the Mississippi and Atchafalaya, with 310 million pounds of phosphorus and over 70 percent from agricultural sources USGS SPARROW modeling [https://www.usgs.gov/news/homing-sources-and-yields-nitrogen-and-phosphorus-throughout-mississippiatchafalaya-river] 4,755 sq mi Five-year average Gulf of Mexico hypoxic zone, against a 2035 target of under 1,900 square miles NOAA NCCOS, July 2025 [https://coastalscience.noaa.gov/news/below-average-summer-2025-dead-zone-measured-in-gulf/] Consent, before anything floats A lake has an owner. A river has a committee, and sometimes two countries. Abstraction sits with one authority and discharge with another. Navigation belongs to a third, flood management to a fourth, fisheries to a fifth, and the bed of the river itself may belong to a landowner who has never met any of them. Add a border and the whole set doubles. What we do about that is limited and worth stating exactly. We do not run your permitting and we do not represent you to a regulator. We bring the method statement, the discharge and monitoring plan, the crew accreditations and an oversight arrangement with a local scientific institution, and we scope the calibration phase inside a single consent boundary so that one office can say yes without polling four others. The rest is yours, and it is usually the longer half. A river program that looks slow is nearly always waiting on consent rather than on equipment, and that timetable belongs to the authorities holding it rather than to any contractor. Where a spill or a discharge event is the trigger rather than a season, the duty changes shape and so does the paperwork — ChemSlayer [https://chemslayer.com] covers that case, including why the capacity has to be contracted before the phone rings. The tidal reach is where river rules and coastal rules overlap, and where a program most often finds it needs two consents rather than one. Straight answers Four we get asked about rivers Can you treat a whole river? No. Treated water returned to a flowing reach is kilometers downstream inside the hour, and the water arriving behind it has never been near a hull. River work means the places where flow slows or stops. Behind a weir, inside a basin, in a tidal reach at slack water, in the pocket in front of an intake. Those are treatable. A hundred kilometers of open channel is not. Our problem is agricultural runoff. Can you help? Yes, but not by changing what leaves the field. Agricultural sources contribute more than seventy percent of the nitrogen and phosphorus arriving at the Gulf from the Mississippi basin. Reducing that is land-use policy, and it runs on a twenty-year clock. Where the loading enters at a hotspot rather than seeping off everywhere at once, the oxidation and aeration firewall can be established on that inflow to mitigate the dynamic before it spreads outward. Dr Peter Moeller of NOAA observed an effect on nitrogen and phosphorus; the work continues and no number goes on a web page until it is understood. Alongside that, in-water capacity holds a condition in a defined stretch. Both are promises we can put parameters against. One thing this is not: an argument against fertilizer. Fertilizer feeds people. Optimize how it is used, cut the harmful pesticides, and handle the runoff where it arrives — throttling how food is grown to save a bay moves the harm rather than removing it. What dissolved oxygen target would you work to? Whatever your regulator sets. Where a site carries no standard, we start from the Delaware River Basin Commission's review, which puts the lethal-level requirement for sensitive estuarine species between 4 and 6.4 mg/L. That band is then narrowed against the species and the season in your reach, and written into the stop conditions before a hull moves. The 0.5 to 1.0 mg/L figure circulating from the same document is an appendix result for one juvenile species, and no alarm is set from it. What happens to the treated water when it leaves the reach? First it goes back into the reach it came out of, at the same place, and then the current takes it downstream to somebody else — which is exactly why the limits get settled before anything is deployed rather than argued about afterward. The reach is held to figures your own authority sets for that water and the service level agreement carries. Nothing is impounded on deck waiting to be signed off, and there is no tank on the deck that could impound it: flow through the reactor is continuous, the instruments govern it in real time and can cut the oxidant unprompted, your oversight body reads the same feeds, and you can halt an active deployment on any suspected breach. A high-risk duty runs further back from the line, not into a wait. On a river the evidence flows past within the hour, so the record has to be made in the water while the pass is happening. Reconstructing it afterward is not possible for anybody. Name the reach Which stretch, and who consents it? Tell us the impoundment, the basin or the tidal reach, roughly how long the water sits there, what fails and in which months, and which authority would have to agree to anything happening in it. That last one decides more of the answer than the chemistry does. Send a situation report How coastal water differs --- ## Solutions — ten problems, one body of water URL: https://alarivean.com/solutions/ Summary: Ten headings: the stressors an Alarivean program is aimed at, the ledgers that pay for a bad year, and what an agreed set of outcomes changes in each of them. Alarivean Solutions Ten problems, one body of water. The stressors we get asked about, and the three ledgers that end up paying for them. Which one is actually yours decides the vessel tier, how long a program has to run and the price. The ten One estuary receives all of these at once. They arrive together and they compound. A bloom rides in on a nutrient load, the oxygen deficit follows the bloom down through the column, and a harbor master gets all three in the same August along with the phone calls. Stressors 01 — Dead zones Oxygen missing from the layer that lost it. The duty the fleet was built around. 02 — Harmful algae A deadline rather than a condition. The outcome is worthless unless the hulls are already there in the right week. 03 — Nutrient loading A cause that arrives from land on a decades-long clock, and a firewall you can put at the inflow now. 04 — Harmful emissions Methane and nitrous oxide a treated water body stops making, set against the energy a program burns. 05 — Microbial consortia Ballast tanks, quarantined basins, treatment trains. A dose that meets a boundary. 06 — Plastic leachates Chemistry coming off material that is breaking down in place. The leachate is the target, not the polymer. 07 — Heavy metals Left dissolved, and kept off your dredging schedule. The boundary here matters more than any claim. Who carries it 08 — Public health One guideline value is not a threshold, and the notice is signed by somebody who does not work here. 09 — Marine life Not a beneficiary category. The instrument that tells you whether the water changed. 10 — Blue economy Two and a half decades of growth measured in output, with no series for the condition of the input. 01 — Dead zones Oxygen is the deficit that arrives on a calendar. Hypoxia is seasonal, it is driven by heat and stratification, and it forms in the part of the water column that surface aeration never reaches. NOAA sets the hypoxic line at 2 mg/L of dissolved oxygen. That number is a definition, not a target: a review of sensitive species in the Delaware estuary put the lethal-level requirement between 4 and 6.4 mg/L. Water at 2.5 mg/L is not hypoxic by the definition and is still killing things. The scale gets measured every summer, and 2025 was a comparatively good year in the Gulf of Mexico: 4,402 square miles, the fifteenth smallest in thirty-nine years of records. That is what a good year looks like. Worldwide, Diaz and Rosenberg counted more than 400 coastal dead zones in 2008. This is the duty the vessels were built around. Water is drawn from the layer that has run out, taken through the reactor aboard and returned to that same depth carrying oxygen again — held continuously, with the readings reaching somebody outside this company at the same moment they reach our crew. The visible part of an oxygen deficit arrives late, on a beach, several days after the decision that could have changed it. 4,402 sq mi Gulf of Mexico hypoxic zone measured in summer 2025 — the 15th smallest in 39 years of measurement NOAA NCCOS, July 2025 [https://coastalscience.noaa.gov/news/below-average-summer-2025-dead-zone-measured-in-gulf/] 462 km³-days Cumulative hypoxia in the Chesapeake Bay across the 2025 season, peaking in July VIMS, December 2025 [https://www.vims.edu/newsandevents/topstories/2025/dead-zone-report.php] 400+ Coastal dead zones counted worldwide in 2008, covering roughly 95,000 square miles Diaz & Rosenberg, Science, 2008 [https://gulfhypoxia.net/dead-zones-appear-in-waters-worldwide-new-study-estimates-more-than-400/] 02 — Harmful algae A bloom is a deadline with a color. Every other stressor on this page can be worked on in your own time. This one cannot. Cells double, wind pushes the patch, and the difference between a treated week and an untreated one is decided before most procurement departments have opened a file. So what an operator is actually selling against algae is not a machine. It is presence — hulls already inside a service zone, gases already contracted, crews already accredited to that regulator, so that the response to a forecast is a course change rather than a scramble. Presence of that kind cannot be bought at short notice, which is why it is sold as a running subscription rather than as a callout, and why the price of holding it beats the price of the alternative by a distance anyone who has chartered in an emergency can estimate for themselves. Blooms in the water next door get intercepted under the same arrangement, because a patch four miles away is your patch in two days. The cells are the visible half. The toxin is the half that closes a beach after the water has gone clear again, which is why the measurement obligation runs on the toxin assay rather than on cell counts. Bloom water is drawn into a contained reactor and worked there, so cells come apart inside a vessel rather than in the bay. Contained is a word about the reaction, not about impounding anybody's water — the flow never stops, there is nowhere aboard to stop it, and the treated water goes back into the same patch it was drawn from. Toxin work is the tier above that. The envelope tightens there rather than the flow halting: settings held further back from the line, oversight closer in, and instruments that shut the oxidant or the intake before a discharge can leave outside its figure. Work under this company's now-completed research agreement with NOAA established that the treatment neutralizes toxins rather than precipitating anything out — our own account of our own research, and a research agreement was never an endorsement. The treatment page carries it in full; HABslayer [https://habslayer.com] runs the duty. US$2.7 bn Estimated cost of Florida's 2018 red tide season, from a University of Central Florida study reported in the press — indicative, since we reached the finding through the reporting rather than the paper Alvarez et al., via Newsweek, 2024 [https://www.newsweek.com/florida-lost-billions-red-tides-1864755] $97.5m Lost Dungeness crab landings in the 2015 West Coast event, plus about $40m of tourism spending from razor clam closures NOAA Fisheries [https://www.fisheries.noaa.gov/west-coast/science-data/hitting-us-where-it-hurts-untold-story-harmful-algal-blooms] 40,000 t Farmed fish killed by the 2016 bloom in Chile's Patagonian fjords, an estimated loss near US$800m Reviews in Aquaculture, 2024 [https://onlinelibrary.wiley.com/doi/full/10.1111/raq.12947] 03 — Nutrient loading The right answer to this one takes twenty years, and it should still be started. Two clocks run here, and only one of them usually gets discussed. Cutting what leaves the land is the long answer. Intercepting the loading dynamic where it enters the water is the one available now. The Baltic is the case that settles the argument in both directions. Nine countries agreed reductions, delivered a large part of them, and had them audited: against the 1997–2003 reference period, normalized nitrogen input was down 11 percent by 2022 and phosphorus down 32 percent. Real work, measured properly. The Baltic Proper and the Gulf of Finland still failed their maximum allowable input for both nutrients, and the hypoxic area of that sea has gone from under 10,000 square kilometers before 1950 to more than 60,000 since 2000. Read that as an argument against catchment work and you have read it backward. It is an argument about lag. Nutrient already in a system keeps cycling long after the tap is turned down, so the years between the policy and the recovery are years somebody has to get through with the water they have. Which is where the second clock starts. The oxidation and aeration firewall that protects a coastline from what arrives on the tide can just as well be set at a runoff hotspot, on the inflow itself, to mitigate the loading dynamic before it spreads outward. Dr Peter Moeller of NOAA observed an effect on nitrogen and phosphorus in this work. We are still studying it, we are not going to put a number on it here, and the effect does not switch off when the catchment program finally lands. None of this is an argument against fertilizer. Fertilizer feeds people, and a plan that starves growers to save a bay has simply moved the harm somewhere less photogenic. Keep optimizing agriculture — fewer harmful pesticides, the right quantity of nutrient in the right place — and handle the runoff where it enters the water, which is cheaper and faster than throttling how food gets grown. HAB Control [https://habcontrol.com] sets out how both clocks are written into one strategy. The load arrives as a land-use decision and leaves as somebody else's oxygen deficit. Where it enters the river is on the rivers page . −11% N · −32% P Normalized nutrient input reduction to the Baltic Sea, 1997–2003 reference period to 2022, with two sub-basins still failing their limits HELCOM nutrient input indicator [https://indicators.helcom.fi/indicator/inputs-of-nutrients/] >60,000 km² Baltic hypoxic area since 2000, against under 10,000 square kilometers before 1950 Hypoxia in the Baltic Sea, 2014 [https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3888664/] 04 — Harmful emissions Both sides of this ledger get counted, and one of them is larger. A hull burns fuel getting to a zone and runs industrial gas once it is there. That is a footprint, it is real, and it is quantified during the site read, which is where a counterparty paying attention asks for it. The other side of the ledger is emission that never happens. An anoxic water body is a methane source — think of what a basin like Lake Erie gives off in a bad August — and a nutrient-loaded coast is a nitrous oxide source, the kind of chemistry that sits off a shoreline like Lima's. Restore the oxygen and that production is avoided rather than offset. In those settings the systems consume so much less than they avoid that the net case is not a close call, and the avoided emission is the kind that would qualify as premium nature-based avoidance measured in CO2 equivalent. So the honest position is that Alarivean is eligible for climate finance where the case supports it, and would structure a program that way. What we will not do is measure our own avoidance and then sell it. A credit has to be quantified by somebody with no stake in the treatment, against a protocol agreed before the work starts. That separation is the entire argument behind Credible Exchange [https://credibleexchange.com]. No tonnage is claimed on this page and no credit has been issued. The adjacent chemistry is on the public record and is not a claim about our equipment. NOAA reports ocean acidity up roughly 30 percent since the start of the Industrial Revolution, about 0.1 of a pH unit. Aragonite saturation has fallen by about a fifth across much of the surface ocean. Above a saturation state of 3, shell-forming life is more likely to survive and reproduce; below 1, aragonite shells begin to dissolve. +30% Rise in ocean acidity since the Industrial Revolution, a drop of roughly 0.1 pH units NOAA PMEL [https://www.pmel.noaa.gov/co2/story/What+is+Ocean+Acidification%253F] Ω 3 and Ω 1 Aragonite saturation states above which calcifiers are more likely to survive, and below which their shells begin to dissolve NOAA Ocean Acidification Program [https://oceanacidification.noaa.gov/study-finds-ocean-acidification-is-more-pervasive-than-previously-thought/] 05 — Microbial consortia Organisms inside a volume somebody can draw a line around. Organisms held in a bounded volume — a ballast tank, a quarantined basin, a treatment train — respond to a controlled oxidant duty, and the response has been measured by people who are not us. NCCOS-affiliated testing in 2020 evaluated a commercial nanobubble ozone system on ballast water and found it effective against algae, bacteria and motile zooplankton, with no statistically significant adverse residual toxicity in the receiving water. That testing was run on another company's equipment, and the evidence page gives the document and what it establishes. A contained reactor treats what passes through it, and a coastline does not pass through anything, which is why this duty is priced against tanks and enclosed basins rather than against a bay. The regulatory frame is the IMO's ballast water convention, in force since 8 September 2017, with a discharge standard of fewer than ten viable organisms per cubic meter at 50 micrometers and above. One boundary travels with that number: the largest organism class, resting cysts and large zooplankton, is the most oxidant-resistant of them and is not claimed on a single immediate-discharge pass. ChemSlayer [https://chemslayer.com] is where that duty lives in this network. <10 per m³ IMO D-2 discharge standard for viable organisms of 50 micrometers and above, phased in for existing ships to September 2024 IMO [https://www.imo.org/en/mediacentre/hottopics/pages/implementing-the-bwm-convention.aspx] 180+ Nonindigenous species with reproducing populations recorded in the Great Lakes as of 2019 NOAA GLANSIS [https://www.glerl.noaa.gov/glansis/program.html] 06 — Plastic leachates Plastic breaks down slowly, and leaches the whole time it is doing it. A crate on a seabed. Film wrapped around a mooring chain, pellets that went over a side in 2019, sheeting piled at the top of a beach by one winter and buried by the next. None of it is going anywhere quickly. What does move is the chemistry — the additives that were put into the polymer to keep it flexible, stable and colored come out of it into the water around it, season after season, while the object itself sits there looking inert. That leachate is what a treatment stage reaches, and the part it reaches best is the organic part — the plasticizers, the bisphenols, the phenolic stabilizers. Those are the compounds advanced oxidation is built to take apart. Affected water is drawn into the reactor at flow, treated on the way through, and handed back verified into the water it came out of. Nothing is stored. The oxidant does its work inside the hull, not loose in the bay. Two boundaries belong in the same breath, because both decide whether we are the right call. The metal-based stabilizers and pigments are not an oxidation target at all — oxidation disables a molecule, and a metal is still a metal afterward. And the plastic itself is untouched: nothing in a treatment pass degrades, dissolves or removes a polymer. Recovery of the material is a separate duty and a separate line in a scope. Floating and shoreline plastic inside a contracted zone comes out under the Beach Cleanse augment — a workboat, a crew and a written scope agreed before anyone quotes it. The basis is Alarivean's own account of work carried out under a private research agreement with NOAA whose term has since ended, rather than a published result. No agency endorsed it then and none endorses it now. 07 — Heavy metals What happens to a metal decides who inherits it. Two answers are on offer in this market, and they land on very different budgets. Precipitation is a relocation. A metal that drops out of solution and settles into sediment has not stopped being a metal; it has become a dredging problem, a benthic problem and, in a shallow basin, a problem that comes back the next time a storm or a propeller stirs the bed. A coagulate-and-settle answer leaves you holding exactly that, whether or not the proposal in front of you puts it in those words. So the useful thing here is a boundary rather than a capability. Oxidation disables a molecule, and a hydroxyl radical does not destroy a metal. Dissolved metals are not an oxidation target and no metal removal is claimed anywhere in this program. What a contained pass promises is the other half. Oxidation takes a molecule apart; it does not push a metal out of solution and onto the bed, so this stage hands nobody a sediment inheritance. Where a metal load is the problem a basin actually has, the site read says so in week one. Containment moves a contaminant. Where it moves to is the part that turns up in a budget three years later. 08 — Public health A health authority should be holding the same readings we are. In August 2014 a bloom on Lake Erie reached Toledo's intake, and roughly half a million residents were advised not to drink the tap water. NOAA Fisheries puts the shoreline property-value loss from that single event at $10.05 million. The notice that closed the supply was signed by a public official, not by a contractor. Guideline values are where the real damage gets done, because there is rarely just one. WHO publishes three for total microcystins — 1 microgram per liter for lifetime drinking-water exposure, 12 for short-term, 24 for recreational water. Quote only the first and a directorate ends up issuing a do-not-drink notice in circumstances WHO's own guidance does not call for. Quote only the last and the opposite happens. The rest is exposure that does not read on an intake meter at all. Aerosolized brevetoxin from red tide produces an upper-respiratory syndrome, and asthmatic subjects in one study reported symptoms up to at least five days after a single hour of exposure. Domoic acid has no antidote and is not destroyed by cooking or freezing. 500,000 Toledo residents advised not to drink tap water during the 2014 Lake Erie bloom NOAA Fisheries [https://www.fisheries.noaa.gov/west-coast/science-data/hitting-us-where-it-hurts-untold-story-harmful-algal-blooms] 1 · 12 · 24 µg/L WHO provisional guideline values for total microcystins: lifetime drinking water, short-term drinking water, recreational water WHO background document [https://cdn.who.int/media/docs/default-source/wash-documents/wash-chemicals/microcystins-background-201223.pdf] 5 days Duration of reported symptoms in asthmatic subjects after a one-hour brevetoxin aerosol exposure Fleming et al., via PMC [https://pmc.ncbi.nlm.nih.gov/articles/PMC2717136/] Independent oversight The health authority that signs the notice should not be waiting on our report to write it. Local scientific institutions hold the live feeds from the situation report onward, so a second copy of the record exists outside this company from the first reading. How that arrangement works . 09 — Marine life The measurement that decides whether the water actually changed. Biology is the only reading that cannot be produced by our own equipment, which is exactly why it is the one worth contracting somebody else to take. What a kill event looks like in a record: Kuwait Bay, August and September 2001, more than 2,500 tonnes of wild mullet, roughly a hundred times the size of a red-tide-linked kill two years earlier. The peer-reviewed account attributes it to bacterial disease, harmful algae and eutrophication acting together — three of the headings on this page, in one bay, in one month. Reefs carry their own scale: between January 2023 and March 2025, bleaching-level heat stress reached 84 percent of the world's reef area across 82 countries. And the stock in the water is now mostly farmed, aquaculture having passed capture fisheries in 2022 at 94.4 million tonnes against 92.3 million. Half the world's aquatic protein is grown in water somebody has to keep alive by design. ReefHealer [https://reefhealer.com] covers the reef duty and its limits. What comes back, and when, is the measurement nobody can take from a control panel. >2,500 t Wild mullet killed in Kuwait Bay across August and September 2001, attributed to disease, algae and eutrophication together Harmful Algae journal [https://www.sciencedirect.com/science/article/abs/pii/S1568988302000136] 84% Share of global reef area hit by bleaching-level heat stress, January 2023 to March 2025, across 82 countries and territories NOAA / ICRI [https://icriforum.org/4gbe-2025/] 94.4 Mt Aquaculture production of aquatic animals in 2022, passing capture fisheries at 92.3 Mt for the first time FAO SOFIA 2024 [https://www.fao.org/newsroom/detail/fao-report--global-fisheries-and-aquaculture-production-reaches-a-new-record-high/en] 10 — Blue economy Measured in output for thirty years, and never once in the condition of the input. The OECD puts the ocean economy at US$2.6 trillion of gross value added in 2020, double its 1995 figure in real terms — fifth place, if you entered it in the table of national economies. Marine and coastal tourism is projected to be its biggest sector by 2030, at US$777 billion and more than 8.5 million jobs. Read the series and you will not find a line for whether the water was in good condition while all that value was produced. It has never been an entry, which is why the cost of a bad season shows up scattered across cancellations, membrane replacement, throttled output and closed harvests, and never under a heading anyone budgets against in advance. Which is also why buying this work reactively is the expensive way to buy it. A cost with no heading still gets paid, in pieces, by whichever sector failed first, and everything bought during an event is bought without leverage. A subscription running before the event puts that money under a heading, at a rate that exists only because the work is preventive. Nobody is charged for foresight here. They are charged less for having it. Marine Prosperity [https://marineprosperity.com] makes the institutional version of this argument; AquaProsper [https://aquaprosper.com] makes the operator's. US$2.6 trn Ocean economy gross value added in 2020, up from US$1.3 trillion in 1995 in real terms OECD, March 2025 [https://www.oecd.org/en/about/news/press-releases/2025/03/oecd-urges-strengthened-co-operation-to-sustain-trillion-dollar-ocean-economy.html] US$777 bn Projected value added from marine and coastal tourism by 2030, employing more than 8.5 million people OECD, The Ocean Economy in 2030 [https://www.oecd.org/content/dam/oecd/en/publications/reports/2016/04/the-ocean-economy-in-2030_g1g6439e/9789264251724-en.pdf] US$472 bn First-sale value of world fisheries and aquaculture production in 2022, from 223.2 million tonnes FAO SOFIA 2024 [https://www.fao.org/newsroom/detail/fao-report--global-fisheries-and-aquaculture-production-reaches-a-new-record-high/en] Where the stressor becomes a place Three water types, and the difference between them is time. The same deficit behaves differently depending on how long the water stays put. That single variable changes the treatment, the owner, the regulator and the price, which is why the argument splits three ways from here. Lakes Water that keeps what it is given, for years. One owner, one long dataset, and a failure that happens in public. Rivers Hours of residence time, fragmented consent, and a problem that is mostly exported downstream. Oceans and coasts Exchange on every tide, a zone boundary that has to be defensible, and a discharge standard met at the outlet. Asked in the first meeting Three that arrive by return We have three of these problems at once. Is that three programs? One. A single zone carries the vessel tier, the gas supply and the augments on one subscription, and the duties run from the same hulls in the same weeks. The scope names which stressors sit inside it and which sit outside, in writing, before anything is signed. Adding a duty once the program is running is a variation with a price, not a favor. We have plastic accumulating in our bay. What would a program do about it? Treat the leachate rather than the material. The organic compounds coming off plastic degrading in place — plasticizers, bisphenols, phenolic stabilizers — are what the oxidation stage takes apart, inside a contained reactor aboard the vessel. Metal-based additives are not an oxidation target, and the polymer itself is unaffected. Floating and shoreline material is recovered under the Beach Cleanse augment, which is a workboat and a crew rather than a chemical duty. Both go in the scope as separate lines with separate costs. Do metals come out of the water, or end up in our sediment? Neither. Oxidation disables a molecule and a metal is still a metal afterward, so dissolved metals are not an oxidation target and no metal removal is claimed here or anywhere else in the program. A metal does not drop out of solution because it went through a reactor either, so the pass leaves your bed as it found it. If the metal load is the problem you actually have, the site read will say we are the wrong instrument. Sources NOAA NCCOS — Below-average summer 2025 dead zone measured in the Gulf [https://coastalscience.noaa.gov/news/below-average-summer-2025-dead-zone-measured-in-gulf/], July 2025. NOAA NCCOS — Hypoxia research program [https://coastalscience.noaa.gov/crp/hypoxia/]. Delaware River Basin Commission — Review of dissolved oxygen requirements of key sensitive species [https://www.nj.gov/drbc/library/documents/Review_DOreq_KeySensSpecies_DelEstuary_ANStoDRBCnov2018.pdf], November 2018. VIMS — Chesapeake Bay dead zone report [https://www.vims.edu/newsandevents/topstories/2025/dead-zone-report.php], December 2025. Diaz & Rosenberg, Science — More than 400 dead zones worldwide [https://gulfhypoxia.net/dead-zones-appear-in-waters-worldwide-new-study-estimates-more-than-400/], 2008. NOAA Fisheries — The untold story of harmful algal blooms [https://www.fisheries.noaa.gov/west-coast/science-data/hitting-us-where-it-hurts-untold-story-harmful-algal-blooms]. Alvarez et al., via Newsweek — Florida's losses from red tide [https://www.newsweek.com/florida-lost-billions-red-tides-1864755], January 2024. Reviews in Aquaculture — Global fish-killing harmful algal blooms [https://onlinelibrary.wiley.com/doi/full/10.1111/raq.12947], 2024. HELCOM — Inputs of nutrients to the Baltic Sea [https://indicators.helcom.fi/indicator/inputs-of-nutrients/], indicator update 2025. Hypoxia in the Baltic Sea: biogeochemical cycles, benthic fauna and management [https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3888664/], 2014. NOAA PMEL — What is ocean acidification? [https://www.pmel.noaa.gov/co2/story/What+is+Ocean+Acidification%253F] NOAA Ocean Acidification Program — Acidification is more pervasive than previously thought [https://oceanacidification.noaa.gov/study-finds-ocean-acidification-is-more-pervasive-than-previously-thought/]. NOAA NCCOS — Nanobubble ozone technology and ballast water invasive species [https://coastalscience.noaa.gov/news/nanobubble-ozone-technology-shown-to-safely-eliminate-invasive-species-in-ballast-water-validating-nccos-research/], July 2020. IMO — Implementing the ballast water management convention [https://www.imo.org/en/mediacentre/hottopics/pages/implementing-the-bwm-convention.aspx]. NOAA GLERL — Great Lakes Aquatic Nonindigenous Species Information System [https://www.glerl.noaa.gov/glansis/program.html], 2019. WHO — Microcystins background document for drinking-water guidelines [https://cdn.who.int/media/docs/default-source/wash-documents/wash-chemicals/microcystins-background-201223.pdf], 2020. Fleming et al., via PMC — Aerosolized red tide toxins and asthma [https://pmc.ncbi.nlm.nih.gov/articles/PMC2717136/]. California Department of Public Health — Domoic acid fact sheet [https://www.cdph.ca.gov/Programs/CID/DCDC/CDPH%20Document%20Library/DomoicAcidFactSheet.pdf]. Harmful Algae — The 2001 Kuwait Bay fish kill [https://www.sciencedirect.com/science/article/abs/pii/S1568988302000136]. NOAA and the International Coral Reef Initiative — The fourth global coral bleaching event [https://icriforum.org/4gbe-2025/], 2024–2025. FAO — The state of world fisheries and aquaculture 2024 [https://www.fao.org/newsroom/detail/fao-report--global-fisheries-and-aquaculture-production-reaches-a-new-record-high/en]. OECD — The ocean economy to 2050 [https://www.oecd.org/en/about/news/press-releases/2025/03/oecd-urges-strengthened-co-operation-to-sustain-trillion-dollar-ocean-economy.html], March 2025. OECD — The ocean economy in 2030 [https://www.oecd.org/content/dam/oecd/en/publications/reports/2016/04/the-ocean-economy-in-2030_g1g6439e/9789264251724-en.pdf], 2016. One water body at a time Which of these ten is actually yours? Most people who write to us name two or three and turn out to have one. Send the water body, what goes wrong in it, which months, and what a bad season costs — we will tell you which heading it belongs under, including when the answer is that we are not the right instrument. Send a situation report --- ## The contained treatment stage aboard a SeaBreather URL: https://alarivean.com/system/aop/ Summary: Water passes through a closed reactor at flow and goes back oxygen-enriched into the same water, against a discharge standard met at the outlet. Nothing is stored aboard. Alarivean Systems The treatment stage Nano Bubble Oxidation Technology Your water goes through the reactor, and comes straight back. The first thing a ministry wants to know is what comes back out of the outlet. A figure they have already agreed to. Water is taken in, treated inside a closed reactor as it passes through, and released cleaner into the water it was taken from, inside the limits that consent sets. The architecture An intake, a reactor, an outlet. The bay is where the plant goes. It is not where the chemistry happens. The water itself never leaves the bay. Running the oxidation duty inside a reactor turns the whole question into an ordinary one. What a regulator is asked to permit is a discharge with a concentration on it, written down before the work starts and sampled at the outlet by us and by somebody who does not work for us. Every environment ministry on earth already knows how to write conditions for that. Gas is the input to the stage — oxygen carried aboard, ozone made from it on demand, sheared fine enough in line with the flow to stay in suspension instead of surfacing as a wasted plume. The platform's technical page [https://seabreather.com/technology/] works that physics through at proper length. Oxidation is what the fleet is built around, and it is not the only thing a program can bring. Coastal water is varied enough that some events want separation, or a stage running alongside the reactor, or capability we operate with a partner. What decides is the event in front of the crew and the condition the water has to be in afterward. Whatever gets selected answers to the same outlet figure, agreed with the authority that consents the work and read by the verifier watching it. Contained is a word about the reaction, not about the water's schedule. A hull of this class is specified at roughly 5,000 gallons a minute, so water is moving through the reactor continuously and nothing is impounded on deck pending a signature. Anyone picturing a holding tank with a regulator standing over it has the wrong picture. What governs the pass instead is instrumentation acting in real time, an oversight body reading the same feeds live, and a client who can stop an active deployment outright. The other half of that sentence deserves saying out loud, because leaving it unsaid is what created the confusion. There is no storage aboard at all. Your water is not gathered, not held and not taken anywhere: it enters, it is treated on the move, and it leaves at the outlet into the same body of water it was drawn from. What a program leaves behind is better water sitting where the stressed water was. Vessel systems come smaller and larger than this class and go where the water calls for them, and that stays true on every one of them. Which puts weight on the intake, because a plant that treats what it draws is an intake before it is anything else. The protections there are designed rather than incidental, and the vessel page sets them out alongside the rest of the deck. SoilScrubber on exposed lakebed. Gas and oxidant storage is easier to see on a truck than under a deck, and the constraint is the same either way: everything the stage consumes has to be carried to the site. Sizing Gas budgets are worked from the bottom of the reported band. One figure does more commercial work in this sector than any other: the enhancement of the gas–liquid mass transfer coefficient against conventional bubbles for the same delivered gas volume. Work in Science of the Total Environment reports it rising roughly elevenfold; adjacent literature on similar systems reports factors from about one and a half to nine times. Where a program sits inside that band changes the commercial shape of the thing. Sized on eleven, a hull holds a large area on a modest gas supply. Sized on two, the same water needs more gas, more hull-hours or a smaller zone. One of those survives an ordinary site and the other does not, so replenishment intervals and the area a hull can hold are planned from the conservative end. 1.5–11× Reported enhancement of the gas–liquid mass transfer coefficient against conventional bubbles for the same delivered gas volume, across the published comparisons Science of the Total Environment — mass transfer of nanobubble aeration [https://www.sciencedirect.com/science/article/abs/pii/S004896971934968X] Organic load What an oxidation duty measurably does, and how it gets checked. Where there is organic material in the water — bloom biomass, the dissolved carbon a decaying mat leaves behind — the reactor runs with an oxidant fraction in the blend. The work it does is measured by assay on the influent and on the effluent, a comparison anybody can repeat because both samples come from a pipe rather than a patch of sea. The background load decides how much of that work is available: oxidant is consumed by whatever is already dissolved before it reaches the material anyone was aiming at, so two basins with matching cell counts can need very different plans. It is measured on the day. Verification is tiered, and what sets the tier is what the mission is carrying. On low-demand work the envelope has already been validated, the instruments read continuously, and samples go out to an independent laboratory on an agreed cadence. Put a toxin bloom or oxidative oil work through the same hull and the envelope tightens rather than the flow stopping: more conservative settings at the source, closer independent oversight, and interlocks that cut the oxidant or shut the intake before an out-of-specification discharge can form at all. Nothing waits on deck for an assay to clear it, because there is nowhere on deck to keep it. No turnaround exists that could clear every parcel of a continuous stream, and no operator should claim otherwise — so the control is placed where it can still act, which is upstream of the outlet rather than after it. A mission run to that envelope does not deliver the hull's full rate, and a buyer should hear that from us. What all of that adds up to on a particular water body is what a calibration phase establishes, on a bounded area, against parameters agreed in writing before a hull moves. NCCOS, September 2018 Ozone nanobubble aeration on an eight-acre pond near Fort Myers Beach. Algae eliminated within 48 hours, proper reoxygenation, no apparent harm to aquatic life. Another company's system, in fresh water, at pond scale. NOAA NCCOS [https://coastalscience.noaa.gov/news/nccos-validates-nanobubble-technology-for-remediation-of-harmful-freshwater-algal-blooms/] NCCOS, July 2020 A commercial nanobubble ozone pump system for ship ballast water, effective against algae, bacteria and motile zooplankton, with no statistically significant adverse residual toxicity downstream. Another party's technology, under their own agreement. NOAA NCCOS [https://coastalscience.noaa.gov/news/nanobubble-ozone-technology-shown-to-safely-eliminate-invasive-species-in-ballast-water-validating-nccos-research/] Toxins Toxicity disabled, rather than parked in your sediment. Precipitation is a relocation. Anything that leaves solution and settles has become a benthic obligation, a dredging line and, in a shallow basin, a problem the next storm hands back. Work carried out with the NOAA scientist Dr Peter Moeller, under a Cooperative Research and Development Agreement whose term this company has since completed, established that the treatment neutralizes a toxin instead of dropping it out as a solid. Toxicity is taken apart on the way through the reactor, so nothing that stage does to a toxin arrives back later as a dredging line. That is our own account of our own research, and it is past tense. There is no active CRADA. Dr Moeller continues as an adviser and as a check on what we claim, which is worth more to a reviewing scientist than an expired instrument would be. A CRADA was never a seal of approval anyway, and NOAA endorses no commercial product. The original agreement was built around a single nanobubble generator we have moved past, so the work moved to laboratories with the equipment to test the next question of scale: Arizona State University, the Middle East Desalination Research Center and KAUST. The documents behind a program sets out who did what. Where oxidation stops Four things this stage leaves alone. Four boundaries that belong in a scope before anybody signs one. Dissolved metals. A hydroxyl radical does not destroy a metal. Metals are not an oxidation target and no metal removal is claimed anywhere in this program. PFAS. No destruction claim is made for that class of compound anywhere in the network. Anything living on the bed. A system that treats the water it draws reaches what is suspended in that water. Attached and benthic organisms sit outside it. Complete mineralization. Organic contamination is broken down and the effluent verified against a functional endpoint. Reduction to carbon dioxide and water on one pass is a different promise. The control regime Bromate is governed by the limit that applies to your water. Ozone in seawater is a different proposition from ozone in a lake. Bromide is abundant, ozone attacks it around eighty-three times more readily than chloride, and the hypobromite that results can carry on to bromate. That is chemistry rather than opinion, and it is the single strongest argument for keeping the reaction enclosed and instrumented instead of starting it in somebody's bay. No fixed ceiling is published here, and that is deliberate. Any figure printed on a page reads as the standing commitment for every water body on earth, and the usual candidate comes from drinking-water practice — where a bay is not a public utility water stream, and holding open sea to a tap standard sounds rigorous while being the wrong test. Where treated water does reach a desalination intake, those plants already run equipment that handles bromate, so the case people worry about most is the one already engineered for. The governing limit is the limit that applies to that receiving water, settled case by case with the authority consenting the work and written into the service level agreement before a system is deployed. Formation is conditional, and gets assessed per water body. Significant bromate needs a threshold of bromide present, which salt and brackish water do not always reach. Ozone also reacts indiscriminately, so bromide is competing for it against every other dissolved carbon molecule in the column. Two bays with the same salinity can behave quite differently, which is exactly why a single published ceiling would be a promise made in ignorance of your water. Then the controls, which are what actually removes the risk. Bromate is easily monitored in real time, and treatment modulates or stops on that reading. The instruments govern a pass and can cut the oxidant on their own authority, though a stable end-product still gets confirmed by independent laboratory analysis on an agreed cadence — the two jobs are complementary and neither covers for the other. Your oversight body holds the same live data. And you, or an agent you qualify, can put an active deployment on hold on any suspected breach until it is cleared. Where residual oxidant has to be quenched, hydrogen peroxide does it, because the obvious alternatives exert oxygen demand and would eat into the enrichment the discharge exists to deliver. ~83× How much faster ozone reacts with bromide than with chloride in seawater, absent bromide depletion — the reaction that decides the architecture Ozone: Science & Engineering [https://www.tandfonline.com/doi/abs/10.1080/01919512.2014.956862] Asked by chemists and environment ministries Four straight answers What are you putting into our water? Water. Yours, taken in through the intake, treated inside a closed reactor as it passes, and released oxygen-enriched into the water it came out of. Nothing is stored aboard, so nothing is taken away and nothing arrives from anywhere else. What governs that release is a concentration rather than an assurance: agreed with the authority that consents the work, read at the outlet, and confirmed by a verifier outside this company. The regulatory object is therefore a discharge, which every environment ministry already knows how to write conditions for. Does ozonating our seawater form bromate? It can, and whether it does is a property of your water rather than of the technology. Bromide has to be present above a threshold, and salt and brackish water do not always carry it. Ozone reacts indiscriminately too, so bromide competes for it with all the dissolved carbon in the column. We publish no fixed ceiling and will not be drawn into one. The governing limit is whatever applies to your receiving water, agreed with the authority consenting the work and written into the service level agreement before a system is deployed. A drinking-water figure is the wrong test for open sea, and a desalination plant taking that water already runs equipment that handles bromate. What eliminates the risk in practice is the regime. Bromate reads in real time and treatment modulates or stops on it, independent laboratory analysis confirms the stable end-product on an agreed cadence, your oversight body holds the same feeds, and you can put an active deployment on hold on any suspected breach until it is cleared. Source: Ozone: Science & Engineering — bromate formation in seawater ozonation [https://www.tandfonline.com/doi/abs/10.1080/01919512.2014.956862] Your inline instruments cannot see bromate. What confirms it? An independent laboratory, on a set cadence. Real-time probes govern the pass and can cut the oxidant on their own, but a stable end-product is not something they read, and pretending otherwise is how a reviewing chemist catches an operator out. The two jobs run alongside each other and neither one covers for the other. Does the treatment take metals out of our water? No, and nobody running an oxidation stage should tell you otherwise. Oxidation disables a molecule; a metal is still a metal afterward. What follows from that is the part worth having in writing. Oxidation drops nothing out of solution onto your bed either, so this stage leaves no sediment for anyone to dredge later. Sources NOAA National Centers for Coastal Ocean Science — nanobubble technology validated for remediation of harmful freshwater algal blooms [https://coastalscience.noaa.gov/news/nccos-validates-nanobubble-technology-for-remediation-of-harmful-freshwater-algal-blooms/], 26 September 2018. NOAA National Centers for Coastal Ocean Science — nanobubble ozone technology and invasive species in ballast water [https://coastalscience.noaa.gov/news/nanobubble-ozone-technology-shown-to-safely-eliminate-invasive-species-in-ballast-water-validating-nccos-research/], 1 July 2020. Science of the Total Environment — mass transfer of nanobubble aeration and its effect on biofilm growth [https://www.sciencedirect.com/science/article/abs/pii/S004896971934968X]. Ozone: Science & Engineering — bromate formation and control in seawater ozonation [https://www.tandfonline.com/doi/abs/10.1080/01919512.2014.956862]. For the chemist on your side of the table Send the water, the season and the chemistry you hold. Back comes the discharge standard we would sign up to for that water, the assay plan either side of the reactor, and the gas budget that zone would need. In writing, with the assumptions printed underneath. Send a situation report --- ## SeaBreather vessels — the hull and what it carries URL: https://alarivean.com/system/apv/ Summary: The Aquatic Prosperity Vessel: what is bolted to the deck, what settles the tier a zone can take, what a gas barge adds, and the permit behind the Florida trial. Alarivean Systems SeaBreather vessels Aquatic Prosperity Vessels A treatment plant that can reach the water that needs it. Fixed plant treats whatever is piped to it. A bay will not be piped anywhere. So the plant goes to sea, and every constraint on this page follows from that one decision. An Aquatic Prosperity Vessel is a working boat whose payload happens to be gas handling and treatment rather than cargo, nets or survey equipment. The designation is ours. The flag, the survey and the manning are entirely ordinary. The physics of why the treatment works belongs to the platform, and SeaBreather sets it out properly [https://seabreather.com/technology/]. What follows is the operator's half of it: what sits on the deck, and what constrains which hull can work which water. The deck, item by item None of these is exotic on its own. The engineering is in getting the whole set onto a hull that can still hold station in a two-meter sea. The intake A coarse bar-rack that keeps large animals and debris out, a low approach velocity, and a draw depth set to the layer that has actually failed rather than to whatever happens to be at the surface. Inside a contracted zone, certain areas are mapped as places no water is taken from at all. Gas storage and generation Oxygen carried aboard, and ozone generated from it on demand rather than stored. What the reactor is fed is made up for the duty in front of it rather than poured from a fixed recipe. The contained reactor Where the treatment happens, inside the hull. Gas is sheared into the sub-micron range in line with the flow, the water takes what the duty calls for, and none of it is in contact with the bay while any of that is going on. None of it stops moving either. There is no storage on this deck. The outlet Treated water returned to the water it was drawn from, at the layer that lost its oxygen. On a stratified estuary in August, that means below the thermocline. Putting the effluent into the warm skin of a capped column is a photograph, not a result. The instrument set Profiling through depth for dissolved oxygen, temperature, salinity, pH and turbidity, plus sampling points on the water going in and the water going out. Read either side, at the same depths, every pass. The log Position, time, draw depth, throughput, the duty the reactor ran, and the assays either side of it. Written as it happens, not reconstructed. An inspector will eventually read this rather than any of our documents, so it is treated as the product. Endurance Fuel, gas, crew hours and hull time. Replenishment for all four is designed into the zone before the first pass rather than improvised in month two. The first of those is the one a technical reviewer goes at hardest, and rightly. Nineteen thousand liters a minute is an intake before it is anything else, so the question of what happens to eggs and larvae arrives early and deserves an engineering answer rather than a reassurance: the bar-rack, the low approach velocity, the selectable draw depth and the areas inside a zone where nothing is taken at all. A large animal at the rack is one of the conditions that halts the work outright. What the intake would do in your particular water is assessed at the site read and written into the scope with its exclusion areas named. What decides the tier Vessels come in three tiers — Nimble, Standard and Mega. Which one suits a zone is settled by physical constraints long before anybody discusses budget, and the constraints usually disagree with each other. Constraints that decide which SeaBreather tier can work a zone Constraint What it settles Draft over the shallowest working ground The hard ceiling, and the one that usually decides it. Transit time from a usable berth How much of a working day is treatment and how much is passage. Gas endurance between replenishments Whether a hull works to a schedule or to a supply chain. Deck area and power How much generation and oxidation capacity physically fits. Sea state and crew rotation How many days in a working year are genuinely on the water. Two of those deserve expanding. Shallow ground beats every other consideration on the list — a reef flat or a lagoon entrance rules out a bigger hull whatever the budget says, and a far corner of a zone first reached at noon is a corner that gets treated badly every week the program runs. Gas is the other one. Past a certain zone size it stops being a question of fitting a larger tank and becomes a question of bringing a second hull, which is the next section. Which tier suits which kind of water is tabulated on the platform's own site [https://seabreather.com]. This table is the other half of that question: what stops a tier from working a zone even when the water looks right for it. Super SeaBreather Past a certain zone size, the second hull is gas. A vessel that has to break off and steam to a replenishment berth is a vessel not treating anything for the duration. On a small zone that is an inconvenience. On a national program it is the difference between a fleet and a rota. The Super SeaBreather configuration answers it by pairing a working hull with a dedicated gas barge, so replenishment happens alongside, in the zone, at the pace the treatment actually consumes. It is also the point at which an industrial gas partner stops being a supplier and becomes a party to the venture. This is a configuration we deploy, not a separate vessel class. The treatment stage aboard is the same one described on the treatment page . A visualization of the pairing. What it shows correctly is the water: pale, thin, over sand and reef, which is where draft starts making the decisions. Specifications and the permit A permit, a regulator, and the craft it allows in the water. Two throughput figures appear below. They belong to two different boats, and reading them together produces nonsense. A SeaBreather hull is specified at approximately 5,000 gallons per minute of contained throughput — about 19,000 liters a minute. One capacity, not two: the flow that goes through the reactor is the same flow that leaves oxygen-enriched, into the water it was drawn from. It is a rate, and a rate is not a cargo. Nothing is stored on the deck, so the hull is never carrying your water anywhere. That is the number a contract carries, and the calibration phase measures it on your own water against parameters written down before a hull moves. Anything specific to a named bay arrives after the site read, in writing, with its assumptions attached. The other figure belongs to a different craft entirely. Florida's Department of Environmental Protection issued permit FLOA00062 in September 2024 for a red tide mitigation trial, on a five-year window that opens only when live Karenia brevis exceeds 100,000 cells per liter. The boat named in it is a modified personal watercraft producing ozonated seawater at 1,000 to 2,000 gallons a minute — a fraction of the displacement and a fraction of the throughput of anything described further up this page. The Sarasota Bay Estuary Program and the nonprofit START each wrote up the grant on their own sites. So a state regulator examined the proposal and allowed a bounded trial in its own water. Proving the same thing across a bay is the work after that, and the estuary program has asked to be the body monitoring it. The documents behind a program are listed in one place. ~5,000 Gallons per minute of contained throughput specified for a SeaBreather hull, about 19,000 liters a minute — a single capacity that both treats and oxygenates, verified on the client's own water during the calibration phase Alarivean vessel specification, stated by the operator 1,000–2,000 Gallons per minute of ozonated seawater from the craft permitted for the Florida red tide field trial — a modified personal watercraft, a much smaller boat than any SeaBreather. The permit was written up independently by the estuary program and by START Sarasota Bay Estuary Program, 2024 [https://sarasotabay.org/directors-note-permit-received-for-red-tide-study/] FLOA00062 Florida DEP permit issued September 2024 under Chapter 403, a five-year window conditioned on active Karenia brevis above 100,000 cells per liter START — mobile system to attack red tide [https://start1.org/news/mobile-system-to-attack-red-tide/] Asked by harbormasters and naval architects Three about the hull What does APV stand for? Aquatic Prosperity Vessel. Ours, not a registry class. It is shorthand for a working boat carrying a treatment plant as payload. Flag, survey and manning follow the ordinary rules for a vessel of that size in that water, and no part of this arrangement asks a maritime authority to invent a category. What throughput does a hull contract to? Approximately 5,000 gallons per minute per vessel — about 19,000 liters a minute — of contained throughput. One capacity, not two: the flow that gets treated is the flow that leaves oxygen-enriched. That is the specification a contract carries, and the calibration phase measures it on your water against parameters set down in writing beforehand. A result that misses those parameters closes the phase. A figure for a named bay follows the site read, never precedes it. Will a hull actually be there when the water turns? That is the whole of what a subscription is buying. Hulls, gas supply and accredited crew are held against your zone continuously, so a forecast produces a change of tasking rather than a search for a boat. Coverage is confirmed at the site read and written into the agreement before anything is committed. The other route is to call once the water has already turned, and then a fleet has to be found, moved and accredited in a hurry — which takes longer than a bloom takes to close a beach, and is charged accordingly wherever anyone offers it at all. The duties this hull carries SeaBreather The platform: oxygen restoration at depth, fishery boost, thermal hot spots. [https://seabreather.com] HABslayer The same hull working a bloom, where the duty is oxidation and then reoxygenation. [https://habslayer.com] ChemSlayer Spill response and ballast water, treated at flow and put straight back, with oxygen life-support around the incident. [https://chemslayer.com] ReefHealer Reef and nursery work, where the platform is often a moored barge rather than a hull. [https://reefhealer.com] Draft, distance, exposure Send us a chart and a month. Bathymetry, the nearest working berth and the months your exposure peaks in are enough to say which tier would hold that zone through a year, and whether the honest answer is that none of them would. Send a situation report --- ## Controls and data — what governs a pass, what halts one URL: https://alarivean.com/system/controls/ Summary: The instrument layers behind a pass, the conditions that halt one, how hulls are routed across a zone, and who outside this company holds the record while a program runs. Alarivean Systems Controls and data What settles a dose, and what stops one. Which instruments settle which question, what gets written down before a vessel moves, what halts a pass, and who else is holding the record while it happens. The layers Four sources of truth, and they answer different questions. The common failure in this category is letting the most impressive layer answer a question it cannot reach. Earth observation Sets the search area and the priority order across a zone, days before a shore sample would notice anything. It cannot see under the surface, cannot name a species and cannot set a dose. HABscan [https://habscan.com] sets out where these products bend and why. Moored instruments Continuity at a fixed point. A buoy string is the only thing that catches the overnight crash nobody was on the water for, and the only record that shows whether a treated volume held its gains a week later. Profiles at the working site Dissolved oxygen, temperature, salinity, pH and turbidity through depth, before the pass and after it, at the same depths. This is the layer that settles which depth to draw from and what the reactor runs. Nothing above it can substitute. Samples and assay Cell counts, toxin assay and the discharge parameters a probe cannot read, sent to an independent laboratory. Slow, and the only thing that answers what a bloom was carrying. A falling count is a weak proxy and we do not treat it as the verification step. On the day The standard is written down before the vessel moves. The sequence matters less than the order of the paperwork. What gets fixed in advance, and what stays adjustable, is the whole difference between a controlled operation and an improvised one. Fixed before departure What the effluent has to meet at the outlet, agreed with whoever consents the work and set against a measured background for that site. It is written as a discharge limit, not as a description of what the plant aboard could produce on a good day. Decided on arrival Which depth to draw from, how many passes, transit order across the tasking. All of it from the profile taken on site, because a water column three days old is a guess with a timestamp on it. Never adjusted at sea The standard. If the water turns out to need more than it allows, the answer is a new plan agreed ashore with the oversight party, not a crew deciding to push it. An inspector reconstructs this from the log, and the log has to survive that. The organic background is the part that catches people out. Oxidant is consumed by whatever is already dissolved before it reaches the material you were aiming at, and two bays with identical cell counts can need very different plans for that reason alone. It is measured, not assumed. Stop conditions Any one condition halts a pass, and so does any one voice. The set is defined in writing before the first pass is ever run, which is the only time everybody involved is calm enough to write it properly. Nothing in it is ranked. A single item stops the work. Among them: a discharge assay that comes back outside the standard; dissolved oxygen at the outlet or in the water around it moving the wrong way; a large animal at the intake bar-rack; an intake drifting into a mapped exclusion area; distressed or dead marine life near the vessel; and two instruments that ought to agree failing to, with nobody yet able to say which is lying. Part of that does not wait for a person. The inline instruments hold interlocks and cut the oxidant themselves — the fastest stop on the boat. The treatment operator can also stop it, and so can the master, the duty analyst ashore and the oversight scientists, individually, without first persuading anybody else. Restarting takes agreement from all of them. That asymmetry is not politeness. Stopping is cheap and reversible; continuing through an unexplained reading is neither. The instrument that catches what happens at three in the morning, when nobody is aboard anything. Continuity at one point is worth more to a record than a great many well-timed visits. Thresholds The numbers a duty engineer actually needs. Three values, each taken from the body that published it, and each carrying the qualifier the source attaches. These are the numbers that end up inside an operating procedure, so they are worth reading at full length before they get there. 4–6.4 mg/L Lethal-level dissolved oxygen requirement for sensitive estuarine species in a Delaware River Basin Commission review — about 5 adequate for many species, 6 to 7 protective. Far above the 2 mg/L that merely classifies water as hypoxic DRBC literature review, November 2018 [https://www.nj.gov/drbc/library/documents/Review_DOreq_KeySensSpecies_DelEstuary_ANStoDRBCnov2018.pdf] 12 µg/L WHO provisional guideline for total microcystins in short-term drinking-water exposure. The lifetime value is 1 µg/L and the recreational value 24 µg/L — three numbers for three questions WHO microcystin background document [https://cdn.who.int/media/docs/default-source/wash-documents/wash-chemicals/microcystins-background-201223.pdf] 5 days Symptoms reported by asthmatic subjects as lasting up to at least this long after a one-hour exposure to aerosolized brevetoxin — the reason a beach advisory is not a same-afternoon decision Fleming et al., via PMC [https://pmc.ncbi.nlm.nih.gov/articles/PMC2717136/] The value an alarm must never be set from A figure of 0.5 to 1.0 mg/L circulates widely as an approximate lethal dissolved-oxygen threshold for fish, and it traces back to the same Delaware River Basin Commission review quoted above. It is a nineteen-hour result for juvenile White Perch alone, sitting in an appendix table. The review's own conclusion is the 4 to 6.4 mg/L band. An operator who set a night alarm from the appendix figure would be an order of magnitude low, and would learn about it from a fish kill rather than from a report. Alarm levels on a program are set against the review's conclusion, then against what the species and the season in that water actually demand. Routing Hull-hours are the scarce thing, and routing is how they get spent. A zone rarely has one problem at one time. It has four, ranked badly. Every morning the same question comes back: which water, in what order, for how long. Forecast risk across the zone, the state of anything treated in the last fortnight, tide and wind for the next thirty-six hours, gas remaining, and where the crew sits in its rotation. The output is a tasking, and the discipline is refusing to write it from yesterday's complaint. A patch that has already closed a beach is the loudest item on the list and often the worst use of a hull. The forming patch in the next bay is quieter, cheaper to work, and the one that decides whether next week has an incident in it — which is what the adjacent Deep Strike in the base subscription is for. Data services What a program produces, besides treated water. A running program generates evidence whether anyone plans for it or not. Designing that record in advance is cheaper than assembling it afterward from memory, and it is the only version that will hold up in the year something goes badly. The pass record Position and time, the depth drawn from and returned to, the throughput sustained, the duty the reactor ran, the readings taken on the influent and the effluent, and the profile either side. Two of those columns hold the same position, because treated water goes back into the water it came out of. One row per pass, written as it happens. This is the artifact a regulator will ask for, so it is built for that reader rather than for a newsletter. The water-quality series Continuous telemetry from moored instruments and vessel profiles, unbroken through the year, at fixed stations as well as at treatment sites. Untreated control locations included, because a change without a comparison is an anecdote. The zone risk surface Forecast conditions across the contracted area for the coming days, assembled from earth observation, in-situ data and meteorology. It drives tasking. It is also handed over, because a client who can see next week is a client who can plan around it. The program account What was treated, where, when, and what the water did — set against the parameters agreed at the outset, including the ones that were missed. It reports on the quiet months too, since those are the ones the argument for working them has to be proved in. The independent laboratory results sit inside it under their own dates, because a confirmatory assay is only worth anything if somebody can see when it was taken. The second copy sits outside this company Independent oversight takes the form of access rather than assurance. Local scientific institutions engaged for the life of the subscription hold the same live feeds the duty crew steers by — not a curated quarterly digest — and are free to moor instruments we have never touched. They start before the first pass, stay for as long as the program does, and keep their copy afterward. What that changes Nothing, on a good day. On a bad one it changes everything: the pass that missed, the patch that came back overnight, the assay nobody expected. Those readings land on two desks at the same moment. If a program's targets and the health of the water ever pull against each other, a ministry hears it from the institution rather than from us. The documents behind a program are listed in one place. Where the decision stays with a person Three things the control layer leaves to somebody who signs. Instruments narrow a question. They do not close it. It does not set its own limits. Interlocks can cut the oxidant without asking anybody, because stopping fast is what a machine is for. Deciding what the effluent must meet, and signing it, stays with a named person. It does not forecast a bloom into existence with any useful precision more than a few days out. Risk surfaces narrow a search and rank a tasking. They do not tell you what August holds in March. It does not replace your own monitoring obligations. Whatever a regulator requires of you, you still owe. Our feeds are additional to that record, and available to whoever you are obliged to report to. Asked by data teams and duty engineers Four about the instruments What dissolved-oxygen number should an alarm be set at? Higher than the number that defines hypoxia. NOAA's 2 mg/L is a classification threshold, not a safe operating level, and treating it as one is how a stocked pen gets lost overnight. A Delaware River Basin Commission literature review puts lethal-level requirements for sensitive estuarine species at 4 to 6.4 mg/L, with roughly 5 adequate for many species and 6 to 7 protective. Set against that band, then against what your own species and season demand. Source: DRBC review of dissolved-oxygen requirements, 2018 [https://www.nj.gov/drbc/library/documents/Review_DOreq_KeySensSpecies_DelEstuary_ANStoDRBCnov2018.pdf] Who can stop a pass? Any of four people, acting alone: the treatment operator, the master, the duty analyst ashore, or an oversight scientist. None of them has to convince the others first. Faster than all of them are the interlocks, which cut the oxidant on their own when a reading crosses the line. Restarting, though, requires all four. Making it easy to stop and difficult to resume is the cheapest safety control available to a program like this. Does the oversight body get the raw feeds or a report? The feeds. Live, as the crew sees them, plus anything they choose to bring and moor themselves. A summary written by the operator and a telemetry stream are different artifacts, and only one of them can be independently checked. Handing over the second one is the point of the arrangement. Can a satellite decide what the reactor runs? No. It sets a search area and a priority order, and stops there. Bounding a search and ranking a tasking is genuinely valuable and worth paying for. What the treatment stage actually runs comes from the profile taken on site and from the instruments watching the intake and the outlet, on the day. Where the detail lives HABscan Detection and forecasting, including what a satellite bloom product is really made of. [https://habscan.com] HABguard The operator's field playbook for a bloom season: readiness, response, recovery. [https://habguard.com] HABcontrol Policy, advisories and public health response, for the people who issue the notice. [https://habcontrol.com] SeaBreather The platform these instruments are mounted on, and the physics underneath the dose. [https://seabreather.com] Bring your monitoring people Send the record you already hold. Send the water body, the season and whatever record you already hold. The site read comes back with the stations we would want, the thresholds we would set, and the gaps in the existing data that would have to be filled first. Send a situation report --- ## How an Aquatic Prosperity program is put together URL: https://alarivean.com/systems/ Summary: What a program is assembled from before anything goes in the water: a drawn zone, a subscription, hulls, a treatment stage, instruments, and the institution reading them. Alarivean Systems Everything a program needs sits on our side of the line. A line drawn on a chart, a subscription with no closing date, hulls, gas, instruments and people. What each of those consists of decides the price, the tasking and what your water is carrying in the third year as well as the first. The parts Five things get assembled, and only one of them is a boat. The vessel is the visible part and the least interesting one. What decides whether the water holds is the four things around it. A boundary An area of water with an edge, agreed in writing. Inside it we are accountable; outside it we are not, except where an adjacent Deep Strike is worth running because that water is about to become yours. A subscription that does not lapse Service across the whole year, weighted toward where the exposure concentrates: bloom season on one coast, the stratified months on another, the fortnight either side of a marine heatwave on a reef. Those windows decide where the effort goes. They do not decide whether the program is running. Hulls and hull-hours Vessels held against that zone for the life of the subscription, tiered to draft and transit distance rather than to ambition. The vessel page covers the hull itself. A treatment stage An intake, a closed reactor and an outlet. Water is taken in, treated on its way through, and returned oxygen-enriched to the layer that lost it, at concentrations your consent fixes and the outlet is sampled against. There is nowhere aboard to keep it, so it goes back where it was. Oxidation is the core duty rather than the whole kit: separation and further treatment capability sit behind it, picked against the event and held to the same figure at the outlet. The treatment page carries the chemistry and the discharge standard it runs under. Instruments, and a second party reading them Telemetry, profiles and imagery, with standing access to all of it for the institution that already answers for that water. Controls and data . The technical detail The naval architect, the chemist and the data team. Those three desks ask different questions and rarely accept each other's answers. So the hull, the treatment stage and the record are set out separately, at the depth each of them works at. SeaBreather vessels The hull, the three tiers, what is bolted to the deck, and the constraints that settle which vessel can work which ground. The treatment stage Gas preparation, the contained reactor, the mass-transfer band a gas budget is sized from, and the discharge standard the effluent has to meet at the outlet. Controls and data How a dose gets decided on the day, what stops a pass, how hulls are routed, and what leaves the program as a record. The boundary Bathymetry draws the zone before the budget does. Where the line goes is an engineering question first. Shallow ground dictates which hull can work it; distance from a berth dictates how much of a day is spent transiting rather than treating; the prevailing wind dictates where tomorrow's problem arrives from. Zones are not drawn freehand either. Each one is baselined against its own oceanography before it is written into anything — what the water does through the year, what already lives in it, which months carry the exposure — and the duty it earns comes off that evidence rather than off the zone next door. Characterization is the work. Take one example: a cool-temperate inverse estuary in South Australia, where no hull works yet, characterized precisely because its physics contradicts the Gulf's at nearly every point — which is the only honest way to find out whether a method travels or merely describes one warm sea. A worked example on a Red Sea reef complex: the closed line is a contracted perimeter and the threads inside it are the routes hulls actually run. Note how little of the enclosed area is deep water. Draft, not enthusiasm, is what decided that shape. What pulls a boundary in Ground too thin for the tier available. A berth too far away to reach the far corner and still work it. Water somebody else already has an obligation over. A stretch where the honest answer is that treatment would not hold against the exchange rate of the tide. What pushes it out An intake approach just outside the obvious perimeter. A nursery ground that feeds the fishery inside it. The next bay upwind, which is where the bloom you will be treating in a fortnight is currently forming. The calendar The window is where the damage shows. It is not where it was decided. Coastal damage is not evenly distributed through a year. It arrives in a window, and everybody plans around that window, which is the mistake. In 2025 the Chesapeake ran 60 sustained days of hypoxia, against a long-term span of 78 to 116 days. Its daily maximum hypoxic volume reached 10.1 cubic kilometers, close to the median of 10.7. Those are real numbers about a real season, and the season is genuinely bounded. What is not bounded is the loading that fills it. Nutrients arrive on every month's rainfall, warmth builds through the spring, and the organic debt left by one summer is the position the next one opens from. So the subscription runs the whole way round. A quiet February is not idle time you are paying for — it is the month in which July is being settled, and it is cheap to work compared with anything done under an advisory. What the hulls actually do in that week follows the water, and the tasking says so. 60 days Sustained hypoxia in the Chesapeake Bay in 2025, against a long-term average span of 78 to 116 days VIMS, December 2025 [https://www.vims.edu/newsandevents/topstories/2025/dead-zone-report.php] 4,755 sq mi Five-year average Gulf of Mexico hypoxic zone, against a Hypoxia Task Force target of under 1,900 by 2035 NOAA NCCOS, July 2025 [https://coastalscience.noaa.gov/news/below-average-summer-2025-dead-zone-measured-in-gulf/] The people A program is a crew list before it is a technology. Five roles, and the fifth one does not work for us. On the hull: a master and deck crew who hold the qualifications for that flag and that water. A treatment operator who runs the gas plant and the reactor, and answers for the effluent meeting its standard at the outlet. A water-quality technician who reads the column before the pass and again after it, at depth, because a surface reading either side of a treatment proves very little. Ashore: an analyst who decides where hulls go tomorrow, working from telemetry, imagery and forecast risk rather than from yesterday's complaint. And outside: the local scientific institution engaged for the duration, holding the same live feeds the duty crew reads, free to bring instruments of its own. That role is written into the program, with its own name against the record it keeps. Consumables Gas is inside the subscription because gas logistics is where these programs fail. Oxygen and ozone are not exotic. Getting industrial volumes of them onto a hull, in the right place, week after week for years, on a coastline where the nearest plant may be several hundred kilometers away, is the unglamorous problem that decides whether the fleet works or waits. At asset scale a vessel replenishes from shore. At national scale the answer is a dedicated gas barge working alongside, and an industrial gas partner inside the joint venture rather than at the end of a purchase order. That pairing is what the Super SeaBreather configuration is. Either way it sits on our side of the boundary. You are not running a gas contract, and you are not the one explaining to a minister why the vessel is alongside instead of working. A visualization of the pairing. The second hull is the gas supply made physical, and it is why a sovereign-scale program is structured as a joint venture rather than a service contract. Scope Where the boundary of the contract sits. Four items that stay outside it, written into the scope at signature. It does not rewrite land use. Cutting what leaves a catchment is policy work, and it should be under way. A firewall set at the runoff hotspots holds the loading dynamic in check while that gets legislated and funded. It does not transfer your permitting relationship. The consent under which work happens in your water is yours, and we are the contractor named inside it. It does not sell you equipment. The systems are operated, never sold, leased or transferred, and the license they run under stays with Sophia Delta. It does not cool a whole sea. Where a thermal problem is regional rather than local, breaking a cap in one basin buys nothing, and the site read says so before the contract does. Elsewhere on the network SeaBreather The platform itself — technology, evidence and where the hull suits the water. [https://seabreather.com] HABslayer The bloom mode, written for whoever is deciding a dose on a moving patch. [https://habslayer.com] HABscan Detection and forecasting, including what earth observation genuinely cannot do. [https://habscan.com] Sophia Delta The parent company that owns the systems, and how the license to operate them is arranged. [https://sophiadelta.com] Asked before the technical questions start Three about the shape of the thing Can we buy a SeaBreather instead of a program? No. The systems are licensed from our parent company, Sophia Delta [https://sophiadelta.com], and stay with us, along with the crew, the permits and the liability. They are not for sale and not for hire. What is purchasable is a subscription: the condition of a defined area of water, agreed before deployment and then held there by a licensed service operator that keeps working it. If your board needs an asset on the balance sheet, this is the wrong instrument, and the site read will say so before a proposal is drafted. Who is actually on the boat? A master and deck crew, a treatment operator running the gas plant and the contained reactor, and a water-quality technician reading the column at depth either side of every pass. Ashore, an analyst decides where hulls go tomorrow. The oversight scientists answer to their own institution, and they see the readings at the same moment the duty crew does. Does a program have to run all year? Yes. That is not a billing preference, it is how the result is produced. The Chesapeake's 2025 hypoxic season ran 60 sustained days against a long-term span of 78 to 116. The season is bounded; what fills it is not. Rain delivers nutrients in months nobody is watching, spring warming does the stratifying, and whatever was left rotting last autumn is where this year's oxygen budget starts. A subscription worked through all of that meets a smaller problem in July than one that switched on in June. The alternative is to buy the same capability as an emergency, at the moment your position is weakest. It costs what emergencies cost. Source: VIMS Chesapeake Bay dead zone report, December 2025 [https://www.vims.edu/newsandevents/topstories/2025/dead-zone-report.php] Where the line would go Tell us the water and we will tell you the shape. The zone, the months it has to be hardest in, the tier and what sits outside the boundary all come back in the site read. Before that, all we need is a description of what goes wrong and when. Send a situation report ---