Swim Best pH Minus (Sodium Bisulfate) (Dry Acid) 50Lbs $203.62 Lowers pH of Pool Water pH should be maintained between 7.2 & 7.6 High pH (above 7.8) causes scaling, calcium deposition and cloudy water Fast dissolving granular pool acid lowers the pH and Alkalinity of pool water Safer to handle than... Add to Cart
