FROG @Ease Sanitizing System for Swim Spas

FROG @Ease Sanitizing System for Swim Spas, The Only Complete Swim Spa Sanitizer + SmartChlor Replacement Cartridge for Swim Spas   At last – a complete sanitizer exclusively for swim spas up to 3,000 gallons, FROG @ease. EPA registered, it kills bacteria 2 ways, with Sanitizing Minerals and a low level of chlorine FROG @ease works with SmartChlor, a unique, patented chlorine that maintains a constant low chlorine level and uses up to 75% less chlorine* SmartChlor automatically adds chlorine to meet demand, and works with Sanitizing Minerals, which also kill bacteria, condition the water for softness, and help keep pH balanced - no additional chlorine is needed, swim spa water is ready when you are! Less chlorine means there’s no smell, no skin irritation, swimsuits don’t fade, surfaces are protected, and you don’t have to drain and refill constantly SmartChlor lasts 3-4 weeks, replace easily with this Replacement Cartridge, and never touch chemicals – prefilled cartridg