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Gypsum 1 LB
Original price was: $5.59.$3.71Current price is: $3.71.
88 in stock
Gypsum adds hardness to brewing water. Use 1-2 teaspoons per 5-Gals. 1 gram of gypsum adds 62 ppm of calcium & 147 ppm of sulfate. Gypsum is also used to lower water pH.








