This stick-like product conveniently fits inside your spa’s filter cartridge, providing FROG mineral protection for spas up to 600 gallons. Supplement with a low level of chlorine or bromine and spa care is complete with soft water and a crystal clear shine.
How It Works
Filter FROG simply fits into the center of a spa filter cartridge. It is a one piece design that can be shortened if necessary. The water moves in and out of the louvered design, dispensing a low level of minerals into the spa. Simply supplement with 1 ppm of chlorine or bromine.
* Simply place the SPA FROG inside your spa cartridge
* Works well with spa ozonators
* Lasts approx 4 months
Why should I use Filter FROG?
It is an easy to use mineral product that fits into most spa filter cartridges. With FROG minerals, you can reduce bromine or chlorine use up to 50% for softer water that's crystal clear.
How long does Filter FROG last?
4 months or whenever you drain and refill the spa.
What if Filter FROG doesn't fit in my filter cartridge?
You may set it in the filter well or skimmer tray. If it is too long, you can cut off part of the length at the notches.