The Pro Products WS Sani System is a single-use liquid sanitizer specifically formulated for water softeners. Each bottle contains 3.5 oz of concentrated sanitizing solution designed to disinfect the resin bed, brine tank, and internal components of your water softener. It eliminates bacteria, mold, and biofilm buildup that can accumulate over time, helping restore softener efficiency and extend the life of your system. It is EPA-registered for use in residential water softening equipment.

Pro Products recommends sanitizing your water softener with the WS Sani System at least once per year as part of regular preventive maintenance. You should also use it whenever you install a new softener, after servicing the unit, if the system has been idle for an extended period, or if you notice unusual odors or taste in your softened water. Each 1-pack bottle treats one standard residential water softener.

Pour the entire 3.5 oz bottle of WS Sani System directly into the brine well of your water softener's brine tank. Then initiate a manual regeneration cycle on your softener. The sanitizer will be drawn through the resin bed during the brine draw phase, disinfecting the entire system. After the regeneration cycle completes, your softener is ready for normal use. Always follow the instructions printed on the bottle and your softener's owner manual.

Yes, the WS Sani System is NSF/ANSI Standard 60 certified for use in drinking water treatment systems, confirming it is safe for potable water applications when used as directed. The active ingredient breaks down during the regeneration cycle, and once the softener completes its rinse phase, no harmful residuals remain in your softened water supply.

Yes, the WS Sani System is a universal sanitizer compatible with virtually all residential ion-exchange water softeners, including brands such as Kinetico, Culligan, Whirlpool, GE, Morton, North Star, Fleck, and Clack. It works with both salt-based cabinet-style and two-tank softener configurations. One 3.5 oz bottle is sized to treat a single standard residential softener per application.