Simply Install and replace the cartridge every four months. Part of the Freshwater Water Care System. Previously known as: the FreshWater Continuous Silver Ion Sanitizer Cartridge (Freshwater Silver Ion Cartridge) or the Hot Springs Freshwater AG+ silver ion sanitizer. Works with Hot Spring, Tiger River, Solana, and Limelight hot tubs. Designed to be used inside of the gray spa filter stand pipe with the handle up (See installation instructions below). Each cartridge lasts 4 months before needing to be replaced (3 pack lasts 1 full year). Makes spas easy to manage. Halogen Free (No Chlorine or Bromine). Improves the performance of Ozone Sanitation Systems. Compatible with the Freshwater Salt System. This product is commonly used as part of the Freshwater Salt Sanitation System with Freshwater Spa Salt. And Freshwater Salt System Cartridges.
