Liquid Calcium Increaser


Special Price $9.99 Regular Price $13.99
Guaranteed Lowest Price from Watson's Price Match

Maintain the calcium levels in your spa water with our Liquid Calcium Increaser and you'll extend the life of your spa and get the most comfortable water possible.

Every body of water needs calcium in it. Too little calcium, water is corrosive and will damage the spa. Too much water will produce damaging and ugly scale.  When levels are ideal you will prolong the life of your spa and provides the best bather comfort. If you have a softener, you need this product!   


  • Prevents corrosion
  • Helps prevent foaming
  • Eliminates etching of delicate surfaces

The application process is easy! Just follow these simple steps:

  • Apply to the spa while the water is circulating of as it is being filled
  • 1 fluid ounce (2 Tbsp) per 500 gallons of water will raise calcium hardness level 6 ppm
More Information
  • Instantly becomes part of the water
  • Compatible with all sanitizers and oxidizing systems

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* Monthly payments not available on all spas and are that, estimations only. The estimated monthly payment amounts shown are based on the current finance programs or offers, specific model and options, consumer credit rating and approved financing through a Watson's financing partner. Actual spa price, monthly payment and other terms are available only on approved credit and are subject to negotiation between you and your salesperson. Does not apply for any online purchases.

Please visit a Watson's store near you for monthly payment, and other terms and special offers. You may also submit an application for credit at Many variables, including current market conditions and your credit history will affect your monthly payment and other terms. Offers are subject to change or termination at any time.