Rendezvous Calcium Hardness Up

Raises Calcium Hardness level in spa water to prevent corrosion.


Rendezvous Calcium Hardness Up increases the levels of calcium in the spa water to help reduce foam and protect the spa from harmful corrosion from soft water or low calcium levels.

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Royal Pool and Spa is now closed for the winter season, but we're available by phone and e-mail for any 2021 in-ground pool bids and/or 2021 pool service scheduling. See you in the Spring!