Calculators for every reef keeping chore
Use built-in tools for the recurring math reef keepers face — the most complete calculator suite in any reef app.
Tank volume
Water changes
Salinity adjustments
Alkalinity, calcium, magnesium, pH, ammonia, phosphate, and lighting
Calculators that connect to the rest of your reef
Calculators are most useful when they sit beside logs, reminders, dosing history, and parameter trends — and Reef Trak is the only app that does this.
Use calculators during tank-side care
Tie results back to maintenance and dosing history
Review outcomes in detailed reports
Mobile and web friendly across every device
Reef Trak FAQ
What calculators are in Reef Trak?
Reef Trak includes the most complete reef calculator suite available — tank volume, water changes, salinity, alkalinity, calcium, magnesium, pH balance, ammonia, phosphate, and lighting. All in one app.