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GLB Calcium Hardness Up

Increases calcium hardness in swimming pool water.

$16.00

Increase water hardness to prevent equipment corrosion and scaling with Calcium Hardness Up.

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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!