Flippin' Frog Pool Sanitizer

Fresh Mineral Water System for Pools up to 5,000 gallons.Two pre-filled cartridges for no mess, no guess and no stress pool care.Kills bacteria with up to 50% less chlorine*Minerals in the green cartridge last all summer.Chlorine lasts 3-4 weeks because you only need a low 0.5 ppm level.Flippin' FROG flips over when the chlorine cartridge is empty.Easy pull off and snap chlorine cartridge.Chlorine cartridge is recyclable when empty.