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.