FROG @ease In-Line SmartChlor Replacement Chlorine Cartridge 3-Pack for Marquis Spas, Caldera Spas, Artesian Spas and Hot Springs Spas up to 600 gallons; Hot Tub Sanitizer with No Cyanuric Acid - 722906032793

• UPC   722906032793
• 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 and hot tubs up to 600 gallons For use only with FROG @ease In-Line Mineral Cartridge, both are prefilled for no mess, no guess and no stress. Together, the @ease system combines the proven FROG mineral formula with SmartChlor Technnology Kills bacteria 2 ways with FROG Sanitizing Minerals that kill bacteria and SmartChlor – a unique, patented chlorine that self-regulates and maintains a consistent low Free Chlorine level. Say goodbye to constant monitoring The FROG @ease In-Line System uses up to 75% less chlorine* so it’s easier on skin, hair, swimsuits and your hot tub’s surfaces. Not only is the water wonderfully soft, but it is also odor free This system also needs shocking only once a month, or when draining and refilling your hot tub – making it so much easier than shocking after every use. You will save time and the cost of constant shock treatments