Calcium Carbonate

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Calcium Carbonate (Precipitated Chalk) – Brewing Water & Mash pH Adjuster Calcium Carbonate, commonly called precipitated chalk, raises mash pH while adding calcium and carbonate t o brewing water. It is especially useful for dark beers, helping balance the acidity of roasted malts in stouts, porters, brown ales, and dark lagers. Because chalk does not dissolve readily in water, mix it directly into the mash and verify the results with a calibrated pH meter. RAISES MASH pH: Helps balance excess acidity from dark and roasted malts ADDS BREWING MINERALS: One gram per gallon adds approximately 106 ppm calcium and 158 ppm carbonate when fully dissolved IDEAL FOR DARK BEERS: Useful for stouts, porters, brown ales, and dark lagers Other Common Uses Raising the pH of acidic garden soil and supplying calcium Neutralizing acidic water in certain environmental and aquaculture applications Creating a physical or drying barrier for some garden pests Serving as a mild, non-scratch abrasive in cleaning formulas Show more