Reef tanks · iPhone
Reefkeel
Reef tank tracker and dosing calculator
Keep her steady. Reefkeel puts your test history, target bands, and dosing calculations on the same line so a change in the tank is easier to see.
Requires iOS 17.0 or later. Check Apple for current device support and purchase options.
The job it does
Reef tank tracker and dosing calculator
- Log the test
- Record alkalinity, calcium, magnesium, nutrients, temperature, salinity, and pH in your tank history.
- Watch the line
- Trend charts place the readings against target bands so you can inspect drift over time.
- Check the dose
- Use current value, target, tank volume, and additive to calculate a dose. History-based consumption tools help review ongoing demand.
Start with Reefkeel
- Set up the tank and its targets.
- Log tests and inspect the trend.
- Check the additive instructions, calculate an adjustment, and re-test.
Check the current listing
Features checked against Reefkeel: Reef Tank Tracker on the App Store on . The listing has the latest device requirements and purchase details.
More to read: ReefMetric aquarium guides and tools.