Rx Clear Total Alkalinity Increaser for Swimming Pools

Size: 5 lbs

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The Rx Clear® Alkalinity Increaser is a pH buffer that helps prevent a pH bounce. The Alkalinity Increaser locks in the ideal range of pH by neutralizing acids, such as acid rain. Made of an industrial-grade Sodium Bicarbonate, Alkalinity Plus will not cloud water.

It's also easy to store as it comes in a re-sealable eco-bag!

Note: Ideal alkalinity is 80-120 ppm

Features & Benefits

  • Made of an industrial-grade Sodium Bicarbonate and comes in a re-sealable eco-bag;
  • The product is a pH buffer that helps prevent a pH bounce and locks in the ideal range of pH by neutralizing acids such as acid rain;
  • Boosts up the effectiveness of your pool water disinfectant;
  • Add 1 lb per 8,000 gallons to raise 10 ppm and maintain total alkalinity to 80 to 120 ppm;
  • Quickly corrects acidic water conditions in your pool, spa, or hot tub;
  • Slows the rapid dissipation of chlorine caused by acidic water;
  • Helps stop corrosion of metal surfaces in the pool and equipment;
  • Prevents etching, pitting, and delamination of concrete, plaster, gunite, shotcrete, and fiberglass pools. 


  • 1 lb per 8,000 gallons - raises alkalinity 10ppm.

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