Pool Frog Flippin' Frog Mineral/Chlorine System | 01-12-8412 New Flippin' Frog Swimming Pool Chlorine/Mineral Floating Sanitation System Works in all pools! One Flippin' Frog works for pools 12-18 feet in diameter and 2,000 - 5,000 gallons Perfect for Intex and other inflatable above ground pools Mineral Cartridge - Lasts the entire summer or about 6 months