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Hardness Increaser
Increases calcium hardness levels in pool water, and protects pool surfaces and equipment


  • Increases calcium hardness
  • Pure flakes minimize clouding in pool water


  • Prevents long term damage to vital pool components
  • Easy application


  • Ideal total alkalinity levels should be maintained between 200-400 ppm
  • Avoid increasing hardness more than 50 ppm every couple hours.
  • Easy to use chart on packaging

Available Sizes

  • 4 lb pail, 10 lb pail, 25 lb pail

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