Small corrections, the 19.29g applies to (CaSO4).1/2H2O but we usually use easily available (CaSO4).2H2O, so 24.4g. MgSO4 is correct at 9.6g. And baking soda NaHCO3 only 5.7g, not 102g.
RO reconstitution per 50 gallon:
30 ppm Ca, 24.4g (CaSO4).2H2O
5 ppm Mg, 9.6g MgSO4.7H2O
1 dKH, 5.7g NaHCO3 baking soda
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Last edited by Edward; 04-30-2019 at 11:23 PM.