Filter Free Chemicals USA Minimum required flow rate: 20

Minimum required flow rate: 20 GPM

easy solution when it’s time to replace your filter elements

and it is odorless and non-toxic for your peace of mind

has a rapid response time

Filter Free Chemicals USA Minimum required flow rate: 20Filter Free enzyme based spa treatment reduces the buildup of body oils, lotions, sunscreen, and organic contaminants on your hot tub filter. Enzymes break down non living organics, extending filter life, reducing cleaning frequency, and improving overall water clarity. Compatible with all filter types including pleated cartridge, ceramic, and others. Works with all sanitizer systems chlorine, bromine, mineral, ozone, and saltwater. Safe for all hot