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Rx Clear® Swimming Pool pH Minus (Various Quantities)


Item #110711


Order Now and your item will be shipped out Monday

Rx Clear® pH Minus helps to prevent cloudy water and scaling by lowering the pH and alkalinity to their proper levels, not exceeding a pH level of 7.6. Rx Clear® pH Minus is a safer alternative to muriatic acid.


  • If alkalinity is too high, pour in one spot of the pool water
  • If pH level is too high, pour evenly over the pool's surface


  • If pH level is 7.6 - 7.9 add 0.5 lbs. per 10,000 gallons of water
  • If pH level  is 8.0 - 8.4 add 1 lb. per 10,000 gallons of water
  • If pH level  is above 8.4 add 2 lbs. per 10,000 gallons of water

Dry Acid Equivalents to Liquid Muriatic Acid:

  • 10 ozs. = 1 cup 
  • 2.5 lbs. = 1 quart
  • 10 lbs. = 1 gallon



Keep Your Pool Balanced

Reduce hazy, murky, or cloudy pool water due to high pH. To keep your pool water at the proper pH range use Rx Clear Swimming Pool pH Minus. Test your water with a testing kit.

Reduce Irritation

It will slow the rapid dissipation of chlorine caused by acidic water that will help reduce eye irritation or redness, and is soft on the skin helping to reduce itchy or irritated skin after swimming.

Water Chemistry

Swimming pool pH reducer is made of granular sodium bi sulfate and will act quickly to correct your pool's pH level to re-establish an ideal swimming environment.


More Information
Weight 3 lbs.
Brand Rx Clear®

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(No replacement parts)