The FROG @ease In-Line Mineral Cartridge works with SmartChlor, a patented chlorine formula, to kill bacteria 2 ways, giving you less work and more peace of mind. Plus, FROG Sanitizing Minerals condition the water for softness, help keep pH balanced and absorb acids. Using SmartChlor Technology, FROG @ease self-regulates to maintain a consistent, low Free Chlorine level at all times – up to 75% less;* less chlorine means water is Cleaner, Clearer, Softer and Easier to take care of. Replacing the prefilled Mineral Cartridge is easy, simply open the In-Line housing, take the spent Mineral Cartridge out and pop the new one in. Turn ordinary water into luxurious Fresh Mineral Water with FROG @ease. *Compared to the minimum ANSI recommended chlorine level of 2.0 ppm for a hot tub. *Cartridge Holder Sold Separately

• For use only in certain hot tub models: Artesian Elite, Artesian Island (optional on Artesian Island Elite and South Seas); Marquis Crown (optional on Marquis Elite, Vector and Celebrity); Caldera Vacanza; and Hot Spring Hot Spot.
• Includes 1 Mineral Cartridge that lasts 4 months plus 3 FROG @ease SmartChlor Cartridges, each lasts up to 3-4 weeks depending upon hot tub size and usage; ideal for 600 gallon hot tub.
• Kills bacteria 2 ways with a low level of chlorine and FROG Sanitizing Minerals.
• Uses up to 75% less chlorine* and maintains a consistent low Free Chlorine level.
• FROG Sanitizing Minerals condition the water for softness, help keep pH balanced, and absorb acids, all while helping kill bacteria and taking the pressure off of chlorine.