Spa Frog Bromine Cartridge for Spa Frog Mineral System

Spa Frog Bromine Cartridge is 150 Grams of Bromine and is used in the floating or in-line Spa Frog System.  Use this product to sanitize the water.  

Bromine Cartridge keeps your water looking and feeling great. 

Cartridge lasts 2-4 weeks depending on usage.