FreshWater® Mineral Spa Sanitizer 3 pk
About: The Freshwater Mineral Spa Sanitizer is used as a crucial component of all sanitation systems. The silver beads inside introduce silver ions that help fight bacteria & also allow you to reduce the level of chlorine in your hot tub. This cartridge must be replaced every 4 months. *Previously known as the Silver Ion Cartridge*. It’s easy to install. Keeps spa water clean and crystal clear. Silver kills bacteria and lowers chlorine usage. A difference you can see, feel...