Gypsum (Calcium Sulfate) 2 oz.

Gypsum (Calcium Sulfate) 2 oz.

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$2.75
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$2.75
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Calcium Sulfate is used to add permanent hardness (Calcium ions) to brewing water. 1 gram in 1 gallon changes the salt levels by 61.5 ppm calcium, 147.5 ppm sulfate and adds 153.5 ppm to the hardness.