This week on the Reef Trak blog
ReefDock: Search Reef Supplies Across BRS, Amazon, Saltwaterfish, and Petco in One Place
Need a 200-watt return pump or Hanna alkalinity reagent? ReefDock searches BRS, Amazon, Saltwaterfish, Petco, and direct-from-hobbyist listings all at once. Launched May 2026, built into Reef Trak, also at reefdock.com.
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TrakAI: How Reef Trak Exports Your Tank History to ChatGPT, Claude, and Gemini
Closed in-app reef AI locks you into one vendor’s model, one prompt template, and another monthly bill. TrakAI flips it. You export your tank, paste it into whatever AI you trust, and the lock-in is gone. Here is how it actually works.
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Best Reef Tank Apps in 2026: Reef Trak vs AquaticLog, ReefBay, Aquarimate, and Reefability
Anyone with an AI subscription can ship a reef tank app this weekend. The harder question is which reef app will still be supported, still innovating, and still here when your tank turns five. Five real apps, compared honestly.
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Practical guides for reef keepers choosing tools, building habits, and getting more out of their tanks.
Reef Trak vs Reefability: Reef Tank App Comparison (2026)
Reefability is the AI-first reef app, with a chatbot inside and a $5.99 per month subscription wrapped around it. Reef Trak lets you export your whole tank and paste it into ChatGPT, Claude, or whatever AI you trust, and it unlocks once for $9.99. Here is how they stack up.
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Reef Trak vs AquaticLog: Reef Tank App Comparison (2026)
AquaticLog has been logging reef tanks for 13 years. Deep parameters, solid ICP integrations, real history. Reef Trak shows up with a wider toolbox (PAR Map, ReefDock, TrakAI, controller imports) and a single $9.99 payment instead of a subscription that keeps billing for as long as you keep reefing. Here is how they actually stack up.
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Reef Trak vs ReefBay: Reef Tank App Comparison (2026)
You are picking between two reef apps that solve different problems. ReefBay is built around a peer-to-peer marketplace and active forums. Reef Trak is built around the whole tank. PAR Map, ReefDock retail-aggregator marketplace, TrakAI bring-your-own-AI exports, controller imports from five vendors. Here is the head-to-head.
Read guide →Alkalinity, calcium, magnesium, nutrients, and the chemistry that actually keeps a reef stable.
The Best Way to Track Alkalinity, Calcium, and Magnesium in a Reef Tank
Alkalinity, calcium, and magnesium are the three pillars of reef chemistry. Tracking them well is straightforward once you know what to log, how often, and what to do with the record.
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How to Lower Nitrate in a Reef Tank: Carbon Dosing, GFO, Water Changes, and More
High nitrate in a reef tank means algae, muted coral colors, and dirty-looking water. Here are the proven ways to lower it without crashing your nutrients to zero.
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Reef Tank Nitrate and Phosphate: Target Range, Testing, and Why "Zero" Is Bad
Both nitrate and phosphate are required for healthy coral growth in trace amounts. Zero is not the goal. Here is the full guide to managing nutrients in a reef tank.
Read guide →How to track reef parameters, dosing, livestock, equipment, and maintenance over the long run.
Why Parameter History Matters More Than a Pretty Reef Tank Chart
Charts are useful. Parameter history is what saves tanks. Here is the difference, why it matters, and what to look for in a reef tank app that takes the long view seriously.
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Reef Tank Dosing Logs: Why Memory Is Not Enough
Reef tanks reward reefers who write things down. A dosing log is the smallest, most useful habit in reef keeping, and it is the foundation for everything else you do with chemistry.
Read guide →How AI tools help reef keepers, and how good data makes that help meaningful.
More from the archive
RSS feed →Reef Trak vs Aquarimate: Reef Tank App Comparison (2026)
Aquarimate is the only reef app on this list with real Mac and Windows desktop apps. Reef Trak ships everything else. TrakAI exports, controller imports, ICP from 7 labs, PAR Map, ReefDock, and a one-time $9.99 lifetime. Here is how they stack up.
HYDROS Alternative: How Reef Trak Pairs With Coralvue HYDROS for Reef Tracking
HYDROS is a reef-tank control system. Reef Trak is a record system. They pair. Reef Trak imports HYDROS probe data and combines it with everything else you log.
Apex Fusion Alternative: Why Reef Trak Pairs With Apex Instead of Replacing It
Apex Fusion is a control system. Reef Trak is a record system. They pair instead of competing. Reef Trak reads Apex data and combines it with everything else you log for one connected reef history.
Reef Tank Magnesium: Target Range, Why It Matters, Testing, and Dosing
Magnesium is the silent enabler of reef chemistry. It does not visibly do anything until it drops too low — then suddenly your calcium and alkalinity stop responding to dosing. Here is what reef keepers need to know.
Reef Tank Calcium: Target Range, Testing, Dosing, and Balance with Alkalinity
Calcium is the structural element that builds coral skeletons. It moves slower than alkalinity but matters just as much. Here is the complete reef-keeper guide to calcium, testing, dosing, and balance.
Reef Tank Alkalinity: Complete Guide to dKH, meq/L, Testing, and Stability
Alkalinity is the single most important reef parameter to track. It moves daily, drives coral skeletal growth, and is the first thing to drift when something is off. Here is the practical guide for reef keepers.
Why Reef Tank pH Drops at Night (And How to Fix It)
Almost every reef tank shows lower pH at night than during the day. It is normal biology and indoor air CO2. Here is exactly why and what to do about it.
Reef Tank ORP: What It Means, Target Range, and Why It Is Less Important Than Reefers Think
ORP measures oxidation-reduction potential — how oxidizing the water is. Reef keepers measure it, ozone hobbyists obsess over it, but most reef tanks run fine without ever consciously thinking about it.
Reef Tank Stability: Why One Perfect Test Result Does Not Tell the Whole Story
A single perfect alkalinity reading does not mean the tank is stable. Stability lives in the movement of your parameters week over week. This is what that looks like and how to measure it.
Reef Tank Salinity: Target Range (1.025 / 35 ppt), Testing, and Top-Off Math
Salinity sounds simple — keep it at 1.025 — but evaporation moves it constantly and most beginner-tank problems start with bad refractometer calibration. Here is the practical guide.
Reef Tank pH: Target Range, Why It Drops at Night, and How to Stabilize It
pH is the most rhythmic parameter in a reef tank. It rises during the day and drops at night, and indoor CO2 is the #1 reason a tank runs low. Here is the practical guide.
Reef Tank Temperature: Target Range (76–80°F), Stability, Heaters, and Chillers
Reef tank temperature should sit between 76 and 80°F with the smallest possible daily swing. Both heat and cold spikes can wipe out corals, but the everyday killer is failed heaters cooking a tank overnight.
First Reef Tank Livestock: What to Add First and Why
After the cycle, what goes in first? A single snail to test the bioload, then a hardy fish, then a beginner coral. Here is the order and the waiting time between each.
The Reef Tank Ugly Phase: Why Your New Tank Looks Awful at Weeks 4–10
Every new reef tank goes through an ugly phase between weeks 4 and 10. Diatoms, cyano, dinos, hair algae. Beginner reefers panic and crash their tanks trying to fight it. Here is how to wait it out.
How to Cycle a Reef Tank: Complete Cycling Guide (Dry Rock, Live Rock, Bottled Bacteria)
Cycling a reef tank means growing the bacteria that convert ammonia to nitrite to nitrate. It takes 2 to 6 weeks and cannot be rushed. Here is exactly how to do it.
How to Set Up a Reef Tank: Complete Beginner Setup Guide (2026)
Setting up a reef tank takes more decisions in the first week than most hobbies take in a year. Here is the full beginner-friendly walkthrough from buying the tank to the first coral.