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What one dose does
PARAMETER
1 g / 100 L
Calcium
+2.7262 ppm
To raise calcium by 20 ppm in 100 L: 7.3 g.
How it’s used
The calcium half of a DIY two-part. Usually dissolved as a stock solution and dosed in step with the alkalinity part. Use food or pharmaceutical grade.
Cautions
• Ice-melt grades can carry magnesium, iron or anti-caking additives; buy pure food or pharma grade.