📦 Free shipping on orders over $50 🚚

SpaPure Hardness Increaser - 1 Pint

SKU: C002729-CS20B6
By SpaPure

In stock

SpaPure Hardness Increaser


SpaPure's Harndess Increaser increases calcium hardness levels which may help prevent corrosion of spa components and extend the life of your spa. This product is compatible with all systems including bromine, chlorine, mineral sanitizers, and biguinide. Proper calcium levels should be maintained between 150-250 ppm.

Fancy Features

  • Prevents corrosion
  • Compatible with bromine, chlorine, mineral sanitizers, and bigunide systems
  • Spa may be used immediately after application

What’s in the box

  • 1 x SpaPure Hardness Increaser - 1 Pint

Directions for Use 

  1. Turn on circulation system
  2. Add 1 ounce (2 tablespoons) for every 500 gallons of water to increase calcium hardness 10 ppm. Broadcast product over the surface of the water
  3. Wait two hours and retest calcium hardness



Most products purchased from our online shop within the last 30 days can be returned.

The following items are non-returnable:

  • Gift cards
  • Electronics
  • Pumps / Motors
Take 10% off your first order with code LT10.