PacifiClear 6 Lb. pH Minus Balancer Granule
PH Minus pH balancer made of sodium bisulfate. High pH causes scaling, calcium deposition, and cloudy water. Fast dissolving, lowers the pH and alkalinity of pool water. Safer to handle that muriatic acid. 2-1/2 Lb. of PH Minus is equivalent to 1 Qt. of muriatic acid.