Reduce the usage of chlorine and bromine by up to 50%, stop faded swimsuits and powerful odors with FILTER FROG. Designed to fit conveniently inside of your spa’s filter cartridge, this is the only hot tub mineral sanitizer designed with the patented FROG mineral protection for hot tubs up to 600 gallons, FILTER FROG lasts up to 4 months, and features an easy reminder dial to help you remember when to replace it. Supplement with a low level of chlorine or bromine and hot tub care is complete with soft water and a crystal clear shine.
- 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
How It Works
The FILTER FROG 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.
Frequently Asked Questions
Why should I use FILTER FROG?
It is an easy to use mineral product that fits into most hot tub 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 hot tub.
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