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Blue Calcium Hypochlorite Tablets from CCH offer reliable
Built for compatibility and longevity
It targets both routine maintenance and higher phosphate challenges
SpaPure Simply Soft delivers tangible comfort and straightforward water management for everyday spa users
helping extend filter life
Pentair Cartridge Element R173217 Pool Circulation Blue Calcium Hypochlorite Tablets fromPentair R173217 200 Sq. Ft. Cartridge Element for Pool Filters Intro Meet the Pentair R173217 cartridge element, a high capacity filtration cartridge designed for residential pools. With a 200 square foot filtration area, it traps fine dirt and debris to keep water crystal clear between cleanings. This replacement fits a family of Pentair and Sta Rite filter housings, including Clean & Clear, Clean & Clear RP CCRP, Predator, and Posi Clear RP models.