FROG @ease Swim Spa Floating Sanitizing System

Fresh Mineral water with SmartChlor® Technology for SWIM SPAS up to 3,000 gallons. 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.