Calcium Sulfate (Gypsum) adds hardness to brewing water.
Add 1 to 2 tsp per 5 gallons or as directed by your recipe.

Weight 0.22 lbs
Dimensions 1.75 x 1.75 x 4 in

1 review for Gypsum – 2oz


  1. 5 out of 5

    (verified owner):

    Works fine and average pricing; every home brewer should have some. But, unless I’m confused, doesn’t Gypsum “Lower” Mash pH?

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