Frog @Ease Swim Spa Starter Kit is an innovative system, brought to you by King Technology, combines mineral and chlorine technologies to keep your hot tub pristine for up to four months. The mineral cartridge releases essential minerals to prevent bacteria and algae growth, while the SmartChlor® cartridge delivers a precise, self-regulating amount of chlorine. Experience the luxury of crystal-clear water and skin-friendly chlorine levels with FROG® @ease, making hot tub ownership pure relaxation.