SpaPure Liquid Hardness Increaser

Brand: SpaPure
SKU: C002728-CS40P
Inventory status: 10 in Stock

Size: 1 pt


The SpaPure Liquid Hardness Increaser product is a fast acting calcium hardness balancer. Quickly maintain the ideal hardness level to ensure water clarity and bather comfort. Using this product will protect your spa's equipment from corrosion caused by imbalanced calcium hardness levels.

  • Fast acting liquid calcium hardness balancer
  • Ensure water won't become corrosive
  • Protect your spa equipment and bather comfort


Never mix different products together in the same bottle or pail. Add this product directly to the spa water.

The ideal range in which calcium hardness should be maintain is 150 - 300 ppm. Calcium hardness levels can be increased by adding Liquid hardness increaser directly to the water. The addition of 1 ounce of this product will increase the hardness of a 500 gallon spa by approximately 6 ppm. Consult a dealer if you have elevated levels of calcium hardness levels.