Calcium Carbonate
$0.00
Lowers acidity in wine and beer.
Calcium Carbonate (CaCO3) aka chalk is used to raise pH of the mash.
16 gm/hl (0.66 oz/bbl) will increase calcium content of mash by 50 mg/liter.
Use 1/2 teaspoon per gallon to lower acidity 0.1%. Use before fermentation.
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