FROG® 3712 Filter Mate®
This Pool Frog Filter Mate offers another approach to mineral spa care that fits in your filter. The unique design draws water in through the openings in the cap and the scooped louvers at the top and circulates it through the mineral formula for greatest effectiveness. Water is then released through the bottom openings. Simply supplement with a low level of bromine or chlorine. This Pool Frog Filter Mate lasts 4 months, with an easy reminder dial to help you remember when to replace it.
Get all the benefits of FROG Fresh Minerals — put Filter Mate in a skimmer tray or filter well. Works with bromine or chlorine to fully sanitize. Set reminder dial and replace every 4 months.
The mineral sanitizer that cleans and softens hot tub water inside your filter cartridge. While you'll add dichlor or bromine separately, you'll need half the usual amount, because our FROG minerals are active sanitizers. The result is you kill bacteria two ways - with minerals and a low level of chlorine or bromine. We call it Fresh Mineral Water® because it looks and feels amazing.
The FILTER Mate mineral sanitizer fits easily into the center of your spa's 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.