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SpaGuard Water Freshener eliminates odors in spa and hot tub water — it doesn't just cover them up
Built from high quality materials
and high circulation rates pull them out of suspension fast
Sentry trades some of that granular control for simplicity
FROG® @ease SmartChlor Cartridge 3-Pack | Floating System Type_Grilling Planks / Wood SpaGuard Water Freshener eliminates odorsThe FROG @ease Floating SmartChlor Cartridge (3 Pack) is the multi pack refill for the universal @ease floating sanitizing system the version that drops into your hot tub rather than seating in the filter compartment. Each cartridge is the chlorine generating half of the @ease pair, designed to release a low, steady level of sanitizer using SmartChlor Technology while floating in your spa. For most spa owners, SmartChlor cartridges are the most