The FILTER FROG mineral sanitizer fits easily into the center of your spas filter cartridge. It is a one-piece design that can be shortened if necessary. The unique design draws in your spa water through the openings in the cap and sides and circulates it through our patented mineral formula dispensing a low level of minerals into the spa. Simply supplement with 1 ppm of chlorine or bromine.
- Fresh Mineral Water® System for Hot Tubs up to 600 gallons
- Kills bacteria with up to 50% less bromine*
- Conveniently fits inside a filter cartridge
- Lasts 4 months or whenever you drain your hot tub
- Simply supplement with a low level of dichlor or bromine
- Use with FROG Jump Start® for an effective start-up shock when refilling the tub
- Compatible with ozone or UV