Spa Frog @ease Floating Mineral System Benefits Kills bacteria with up to 75% less chlorine* than ordinary systems. Shock less SmartChlor cartridge lasts up to 4 weeks depending on hot tub usage. Recyclable when empty. The Mineral Cartridge lasts up to 3 months or if you drain your hot tub. No faded swimwear. No chlorine smell. No Mess. No Guess. No Stress. No daily or weekly maintenance. CreatesFresh Mineral Water®for hot tubs up to 600 gallons. The SmartChlor cartridge flips when it's time to change @ease Setting Chart Gallons Dial Setting # 200 1 300 2 400 2 500 3 600 4 Directions for Use: For use in hot tubs up to 600 gallons. Use with the @ease SmartChlor Cartridge. Ensure all hot tub equipment is working properly. Operate the pump and filter for at least 3 hours per day. Clean filter following manufacturer’s directions. May be used with a previously filled hot tub unless it was sanitized with bromine. Then drain and fill the hot tub with fresh water. Start-up: Balance the water according to the water balance guidelines with pH between 7.2 – 7.8 and total alkalinity at 80 to 120 ppm. Establish a free chlorine residual of 0.5 to 1.0 ppm in the hot tub with Frog Jump Start start-up shock or an EPA approved hot tub chlorine shock following the directions for that product. When using other products as outlined in directions for this product, always follow directions on those products. To assemble: Remove outer packaging Peel off protective seal from the flat part of the @ease SmartChlor Cartridge Align arrows on blue mineral cartridge and silver chlorine cartridge Push together and twist to lock Set the dial on the chlorine cartridge (see Setting Chart in manual) Place entire system in the hot tub water. Shock the hot tub when replacing an @ease SmartChlor Cartridge or once a month Replacing the Cartridges: Replace the @ease SmartChlor Cartridge when the system flips over. Follow label directions carefully. After four months or when draining and refilling the hot tub, replace the @ease System. Mineral Cartridge: Active Ingredient: Silver Chloride ............ 0.5% Other Ingredients: ....99.5% Total: .........................100.0% SmartChlor CartridgeActive Ingredients: 1.3-dichloro-5, 5-Dimethylhydantoin.........81.1% 1.3-dichloro-5-ethyl-5-methylhydantoin ....16.1% Other Ingredients:........................................... 2.8% Total: ...........................................................100.0%