Spa Essentials Calcium Hardness Increaser – 12 OZ


Spa Essentials Calcium Hardness Increaser. Available today from Leisure Pool & Spa Supply of Syracuse, Indiana in 12 oz bottles. [Contact us today if you have any questions!]

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Spa Essentials Calcium Hardness Increaser – 12 oz Bottle

Proper calcium hardness levels help prevent corrosion of equipment and etching of spa surfaces. Use Calcium Hardness Increaser to raise calcium hardness to the proper level.  For areas with high calcium in the source water, use Stain & Scale Control to prevent the formation of scale.

  • Increases calcium hardness level in spa water
  • Helps prevent corrosion of spa equipment and surfaces

Pool & Spa Supplies Since 1982

About Us: Leisure Pool & Spa Supply has been serving the needs of residential and commercial aquatics clients since 1982. With locations in Syracuse, IN., and Indianapolis, IN., our team stands ready to serve you!

Interested in supplies? We ship all across the lower 48 states! Take advantage of our over 35 years in the pool and spa industry. Our professional staff can assist you in choosing the products that best fit your personal aquatic needs.

Questions? Call us today at 1.800.583.7727 – email us at

Additional information

Weight 2 lbs
Dimensions 2 × 2 × 8 in