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Calcium Dosing Calculator
Calculate exactly how much calcium supplement to add based on your tank volume, current level, and target level.
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Calculate exactly how much calcium supplement to add based on your tank volume, current level, and target level.
Ready-to-use liquid calcium chloride solution from BRS.
Add this amount of BRS Liquid Calcium Chloride
102.35 mL
3.46 fl oz | 20.47 tsp
Target: 420 ppm — Optimal
Ideal range for reef aquariums — maintain current dosing.
Space calcium and alkalinity doses 20–30 minutes apart to reduce precipitation risk.