FreshWater Ag+ Silver Ion Sanitizer | Hot Tub Autoship Avalon Rainer (945/990)

Avalon Rainer (945/990)

Granular chlorine is hygroscopic (it pulls moisture from the air)

Its trilobal fibers

COSMO-I30-C

and other systems using this cartridge

FreshWater Ag+ Silver Ion Sanitizer | Hot Tub Autoship Avalon Rainer (945/990)The 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