Fresh Mineral water with SmartChlor® Technology for SWIM SPAS. Comes with (1) SwimSpa FROG® @ease® Mineral Cartridge, (1) Swim Spa FROG® @ease® SmartChlor® Cartridge, 30 Test Strips and tether* for optional use. Cyanuric Acid Free. Floats in the swim spa and flips when empty. Replace this System every 4 months or when draining and refilling, whichever comes first.
