Calcium Chloride 2 oz
Calcium Chloride (CaCl2) Use this to adjust your mash pH down. Can be used in place of Gypsum if you don't want to add any sulfates. Can help make your beer slightly more rounded and less bitter when added at the proper rates.
Use 1 gram per 1 Gallon to change the salt levels by 72 ppm, the chloride levels by 127.5 ppm, and add 180 ppm to the hardness.