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Two-Part Dosing Calculator (Reef)

Estimate daily two-part (Ca + Alk) dosing volumes based on reef tank consumption rates.

gal
ppm/day
dKH/day

Part 1 (Calcium)

187.5 mL/day

Part 2 (Alkalinity)

75.0 mL/day

Note

Calibrated to typical 1mL/gal raises Ca ~2 ppm and Alk ~0.5 dKH.