Tools/Alkalinity & Calcium Dosing

Alkalinity & Calcium Dosing Calculator

Enter your tank size and current readings - get a brand-agnostic daily dosing recommendation for two-part dosing. No signup, no vendor push.

Your Tank

dKH deficit

1.2

Days to target (safe ramp)

4

Recommended daily dose

42 mL / day

of alkalinity component, for 4 days, then re-test

Safety note: Never raise alkalinity by more than 1.4 dKH/day - rapid swings stress coral more than being slightly low. This calculator ramps automatically over multiple days for larger deficits.

Dosing ramp schedule

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