A Personal Marine Expert for Reef Keepers
Keep your water stable, your livestock healthy, and your test results organized. Skip the water-damaged paper logs and spreadsheets that leave you scrolling forums every time a parameter shifts.
The state of your reef tank, all in one view
Built by a reef tank owner to solve the everyday tasks of testing, logging, and keeping water parameters steady. Coralist connects your test results, dosing routines, hardware setup, and livestock history in one clear view. All of this feeds into a marine-expert AI agent that identifies patterns, spots emerging problems, and proposes practical advice and maintenance tasks tailored to your tank.
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Digital Tank Logbook Log tests, dosing, and livestock without water-damaged paperwork or spreadsheets.
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Configurable Parameter Dials Track the parameters you follow with custom target ranges and color-coded status.
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Stability Index Trend Chart Stability is king. Watch long-term trends and focus on flattening the curve.
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AI Water Test Analysis Understand your overall water state and get practical advice on your test results.
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Context-Aware Personal Assistant Ask for dosing guidance, maintenance schedules, or check whether a coral or fish is compatible before buying at your local store.
Designed for the way you actually run your tank
From weekly testing sessions to stocking decisions at your local fish store, Coralist gives you the clarity you need to keep your ecosystem thriving.
Digital Reef Logbook
Testing saltwater while balancing a pen and paper notebook usually ends with wet, stained pages and lost records. Spreadsheets store numbers, but they won't help you learn from them or alert you when an alkalinity drop lines up with coral stress. Coralist keeps your water tests, livestock additions, hardware setup, and equipment maintenance together—so you can easily connect the dots and understand how changes impact your corals and fish. Your hardware setup feeds directly into the AI analysis and advice, making every recommendation specific to your actual system.
Configurable Dashboard
Every system has different requirements—a mixed LPS nano runs differently than a high-demand SPS reef. Coralist comes with preset reference ranges tailored for SPS-dominant, LPS-dominant, and fish-dominated tanks, so you start with sensible targets right away. Customize your dashboard with the exact parameters you follow—Alkalinity, Calcium, Magnesium, Nitrate, Phosphate, Salinity—and see at a glance whether your water is in the sweet spot with intuitive, color-coded dials.
Stability Index Chart
Corals rarely suffer from a single parameter reading; they suffer from sudden swings. The Stability Index tracks your long-term trends across 1-, 3-, 6-, and 12-month windows and adjusts its scoring based on your livestock type—because what counts as "stable" for an SPS tank is different from a fish-only setup. By highlighting creeping deviations early, it helps you focus on what really matters in reef keeping: flattening the curve and keeping your water chemistry steady.
AI Water Test Analysis
Instead of wondering how a set of test results interacts, Coralist reviews your numbers as a whole. The app highlights your overall water state, explains potential impacts on your corals and invertebrates, and provides practical, grounded advice on what adjustments to make—or when it's best to leave things alone.
Context-Aware Assistant
Ask questions without re-explaining your setup every time. The assistant already knows your tank volume, parameters, equipment, and livestock—so you can use it to build or adjust a dosing program, plan maintenance tasks, or check on the spot at your local fish store whether a new fish or coral is compatible with what you already have.
Interested in trying Coralist?
We are currently in the final testing phase of the mobile app. If you would like early access and want to share feedback on how it works on your tank, we'd love to hear from you.