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To raise alkalinity by 1 dKH in 100 L: 37.5 ml.
If pH is below 7.7 or above 8.6, or KH is below 5 dKH, add 30 ml per 100 L; repeat daily if needed until KH 6-9 and pH 8.1-8.4.
Page states 1000 ml supplies 2,800 dH of carbonate hardness, which matches 0.028 dKH per ml/100 L and the 30 ml = 0.8 dKH statement.
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