FROG @ease SmartChlor In-line Replacement Cartridge Individual Replacement FROG® @ease® SmartChlor Cartridge is designed to provide hot tub owners with a convenient and effective solution for maintaining clean and clear water. Why use Frog @ease SmartChlor: Reduced Chlorine Usage: Kills bacteria with up to 75% less chlorine compared to ordinary systems, offering a more gentle and pleasant hot tub experience. Monthly Shocking: With the SmartChlor cartridge, hot tub owners only need to shock their spa once a month with FROG Maintain Non-Chlorine Spa Shock, simplifying the maintenance routine. Long-lasting Cartridge: The SmartChlor cartridge lasts up to four weeks, depending on hot tub usage, ensuring continuous sanitization with fewer replacements. Compatible with the FROG Mineral Cartridge: The Mineral Cartridge, part of the FROG @ease system, lasts for four months or until the hot tub is drained. No Faded Swimwear or Chlorine Smell: Enjoy clear water without the negative effects of chlorine, such as faded swimwear and unpleasant odors. No Mess, No Guess, No Stress: The system eliminates the need for daily or weekly maintenance, providing a stress-free hot tub experience. No CYA: Cyanuric Acid (CYA) is a chemical used to stabilize chlorine and prevent degradation of chlorine from the sun's harmful UV Rays. The Easiest Water Testing Solution in the spa industry with Frog @ease Test Strips! SmartChlor Ingredients: 1,3-dichloro-5,5-Dimethylhydantoin: 81.1% 1,3-dichloro-5-ethyl-5-methylhydantoin: 16.1% Other Ingredients: 2.8% FOR USE IN THE FOLLOWING SPA BRANDS: Hot Spring Spas product #77822 Marquis Spas Artesian Spas Spa Frog @ease In-line system Instructions FOR USE IN THE FOLLOWING SPA BRANDS: Hot Spring Spas product #77822 Marquis Spas Artesian Spas Spa Frog @ease In-line system Instructions