Frog @Ease SmartChlor Floating Chlorine and Mineral Sanitizing System

About this item Kills bacteria 2 ways with a low level of chlorine and FROG Sanitizing Minerals. Minerals last 4 months, SmartChlor lasts up to 4 weeks and flips when empty, for 600 gallon hot tubs. Uses up to 75% less chlorine* and maintains a consistent low Free Chlorine level, making water more comfortable Uses SmartChlor, a patented chlorine formula that self-regulates on demand for continuous crystal clear water delivering you peace of mind. Flips when empty, making maintenance easy. FROG @ease Test Strips included – their single “Out Indicator” color match easily shows when chlorine replacement is needed. System Includes: FROG @ease Test Strips, Jump Start, FROG Sanitizing Mineral Cartridge (lasts 4 months), FROG @ease SmartChlor Cartridge (lasts up to 3-4 weeks depending upon hot tub size and usage).