O-ACE-sis Granule pH Minus 6 lb

pH minus sodium bisulfate. 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 muriatic acid. 2.5 lb of pH minus is equivalent to 1 qt. of muriatic acid.
Long lasting
Low cost and easy to use
Works continually to kill bacteria