Reef Tank Water Parameter Calculator

Enter your water test results, see how they compare to ideal ranges, and get dosing recommendations to correct any imbalances.

Enter Your Water Test Results

Fill in the parameters you have tested. Leave blank any you haven't measured.

Range: 7 dKH - 11 dKH (ideal: 8-9)

Range: 380 ppm - 450 ppm (ideal: 420)

Range: 1250 ppm - 1400 ppm (ideal: 1350)

Range: 1 ppm - 10 ppm (ideal: 5)

Range: 0.02 ppm - 0.1 ppm (ideal: 0.05)

Range: 1.024 SG - 1.026 SG (ideal: 1.025)

Range: 76 °F - 80 °F (ideal: 78)

Range: 7.8 - 8.4 (ideal: 8.1-8.3)

Track Your Parameters Over Time

One-time checks are great, but trends tell the real story. With My Reef Log you can log every water test, visualize chemistry over time, and catch problems before they become disasters.

Start Tracking Free

No credit card required