Gypsum - Calcium Sulphate - 100g - Harris

Gypsum - Calcium Sulphate - 100g - Harris

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Gypsum, or calcium sulphate adds permanent hardness, calcium ions, to brewing water - 1 gram per gallon adds 62 ppm calcium, 147 ppm sulfate.

If you live in a soft water area or use distilled water, add gypsum into the water to give it some hardness.  This will give a better finish to homebrew beers, stouts, IPA & Pale Ales.

Gypsum will also affect the pH of water so remember this when choosing your grains for brewing.

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