Previous Product Next Product Calcuim Sulphate (gypsum) Categories: Additives, Beer Products Make an enquiry for this product Description Description 50g pack 1 tsp per gallon will increase water hardness by 277ppm Opens in a new window Tweet This Product Opens in a new window Share on Facebook Opens in a new window Pin This Product Opens in a new window Mail This Product Related products Quick View Quick View Beer Products, Beer YeastKveik $7.00 Add to cart Beer Products, Malts, Specialty MaltsFranco Belges Kiln Coffee Malt Read more Beer Products, HopsHop Socks $2.50 Add to cart