SpaChoice 472-3-5031 Calcium Hardness Increaser Hot Tub, 14-Ounces
$15.21$21.99
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Description
The ideal hardness level is 200-400 ppm.1 ounce of product per 500 gallons increases hardness by about 10 ppm.This product is used to increase the calcium hardness in spas and hot tubs
