FreshWater Ag+ Silver Ion Sanitizer | Hot Tub Autoship What sets this cartridge apart

What sets this cartridge apart is the heavier media

and a faster turnover cycle that benefits anyone whose storage area isn't perfectly climate-controlled

and other systems using this cartridge

breaks down cleanly into harmless byproducts

Its trilobal fibers

FreshWater Ag+ Silver Ion Sanitizer | Hot Tub Autoship What sets this cartridge apartThe FreshWater Ag+ Silver Ion Sanitizer is a supplemental sanitizing cartridge that slots into your spa's filter standpipe and releases a steady stream of positively charged silver ions into the water for approximately four months. Those silver ions inhibit bacterial growth continuously, meaning you can run your spa on a much lower chlorine residual than a chlorine only spa would require. This is one of the most popular FreshWater products because it