Rx Clear® pH Minus Decreaser Sodium Bisulfate Swimming Pool Chemical-25 lbs Item Number: 110713 Our pH Minus aids in preventing cloudy water and scaling by lowering the pH and alkalinity to their proper levels. It is much safer and much more economical than Muriatic Acid. -In order to lower your alkalinity, simply pour pH down in one spot of the pool water. -If you are looking to lower your pH, broadcast evenly over the pool's surface. Use only 1 lb. for every 10,000 gallons of water. Our pH Minus is a granular sodium bi-sulfate pH reducer. Prevents scaling and cloudy water by lowering the pH and alkalinity levels Use 1 lb for every 10,000 gallons Quantity: 25 lbs Related Products Chlorine / Bromine SHOP NOW→ Shock SHOP NOW→ Spring Chemical Kits SHOP NOW→ Algaecides SHOP NOW→ Clarifiers SHOP NOW→ Water Balancers SHOP NOW→