“Hop Socks” has been added to your cart. View cart 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 YeastSafAle™ WB-06 $6.50 Add to cart Beer Products, HopsSabro $3.99 Add to cart Quick View Quick View Beer Products, HopsHallertau Blanc $2.50 Add to cart