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The Hearthstone 90-57502 Blower Fan was designed to fit the Hearthstone Equinox Series of Wood Stoves
Sanitizer levels can look fine on a test strip while the water is quietly turning into a chemical soup
triple-action formula that makes spa water wonderfully soft and genuinely enjoyable to soak in
Buying them together in one kit is significantly cheaper than purchasing four single cartridges over the same four months — and it means you only have to remember to reorder once per quarter instead of every 3–4 weeks
part number 812-3811
Leisure Time Filter Clean | Cartridge Deep Soak Spa Water Care The Hearthstone 90-57502 Blower FanLeisure Time Filter Clean is a concentrated overnight soak filter cleaning solution formulated for spa and hot tub cartridge filters. The liquid concentrate dilutes into a soaking bath that penetrates deep into pleated filter media dissolving the body oils, lotion residue, sunscreen, sweat, grease, calcium scale, and mineral buildup that a garden hose rinse can't touch. One quart bottle is enough for multiple deep cleans, which is the maintenance task