Add the Spa Frog Mineral Stick to your hot tub / spa and reduce your chlorine or bromine use up to 50%! The Filter Frog is designed to fit conveniently inside of your spa's filter cartridge.
For spas up to 600 gallons
Kills bacteria with up to 50% less Bromine
Lasts up to 4 months
Compatible with Ozone or UV
Use Frog Jump Start when starting up your spa.
Use with a low level of di-chlor granules or bromine