Spa Frog Bromine Cartridge
Spa Frog Bromine Cartridge is 150 grams of the Bromine portion of the floating or inline Spa Frog chemical system. Use this product in your hot tub to sanitize the water. The Bromine Cartridge lasts one to two weeks to keep your water looking and feeling great. Fits both the Spa Frog Floater and the The SPA FROG In-Line System Fits the Spa Frog Floating system or in compatiable in-line systems.
One cartridge lasts approximately 2-4 weeks depending on usage and gallon size.