Hot Spring Spas Freshwater Ag+ Continuous Silver Ion Sanitizer 71325 - 2 Pack The Hot Springs Spas Freshwater Ag+ Continuous Ion Sanitizer uses Silver Ions to kill bacteria in your spa and sanitize your hot tub or Jacuzzi. The Hot Spring Spas Freshwater Ag+ Continuous Silver Ion Sanitizer utilizes a natural chemical reaction to sanitize your spa - keeping it free of chlorine or bromine. No matter the model of your spa or hot tub, or when it was made - it's important that you regularly sanitize your spa to prevent bacteria build-up. Choose from our selection of hot tub filters and maintenance products to find the right hot tub sanitizing system for your spa - at the right price! Looking for a simple way to sanitize your spa? Look no further than the Hot Spring Spas Freshwater Ag+ Continuous Silver Ion Sanitizer! The Freshwater Ag+ Silver Ion Spa Sanitizer is simple to install and replace - making it perfect for hassle-free hot tub maintenance. Hot Spring Spa Supplies carries spa fragrances, air & water valves, control systems, filter accessories, lights, cleaners, pumps, thermostats, and more for virtually every hot spring model.