Reef Tank Calculator

Calculate calcium, alkalinity (dKH), and magnesium supplement dosages to maintain ideal reef parameters for coral growth.

Total System Volume (gallons)

Current Calcium (ppm)

Current dKH

Current Magnesium (ppm)

Supplement Type

Calcium Dose (to reach 420 ppm)

0 ml

Alkalinity Dose (to 9 dKH)

0 ml

Magnesium Dose (to 1350 ppm)

0 ml

Ca:Alk Ratio

Parameter Status

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