Pay in 4 interest-free payments of $5.40 Learn more
Ships within 48 hours · Estimated delivery Aug 3 - Aug 8
Shock only once a month and use up to 75% less chlorine
floater or feeder
Spend less time testing and more time having fun with your family in the pool
Strong structural mold
No more crazy chlorine levels
Pool Place Calcium Hardness - 10 Lbs. Pool Tools_Skim Nets & Rakes Shock only once a monthCalcium Hardness by The Pool Place is used to raise calcium hardness in swimming pool water. Low calcium hardness may cause pool water to become corrosive which can result in etched plaster, corrosion of equipment and fixtures or may cause metallic stains. The Ideal range is 200 to 400 parts per million (ppm). The minimum calcium hardness level is 150 ppm. DIRECTIONS FOR USE Test water for hardness with test kit or strip. If calcium hardness is below
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