Calculators
Alkalinity units
Alkalinity unit converter
Convert alkalinity between dKH, meq/L and ppm CaCO₃. The relationship is fixed: 1 meq/L = 2.8 dKH = 50 ppm CaCO₃.
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Source: 1 meq/L = 2.8 dKH = 50 ppm CaCO₃ — published reef chemistry (Holmes-Farley).
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