Marquis® Calcium Increaser 16 oz.


Low calcium can cause foaminess in the hot tub, increase calcium if water is too soft.
Calcium is ideal between 150-250 ppm.
16 oz.

In stock


  • We deliver to the following zip codes: 85212, 85209, 85140 and 85142
  • AZ Spas and Patio hand delivers to your doorstep Monday-Friday. Same-day delivery if ordered PRIOR to 10AM
  • A $3.99 delivery fee applies to all orders under $50