FROG Serene 200 Gram Bromine Replacement Cartridge – 1 pack pool treatment chemicals FROG minerals and SmartChlor help

FROG minerals and SmartChlor help sanitize hot tub water using a low

and frequent weekly chlorination

algae control support

The average routine dose is 2 to 3 oz per 10

or pool care routines

FROG Serene 200 Gram Bromine Replacement Cartridge – 1 pack pool treatment chemicals FROG minerals and SmartChlor helpFROG Serene 200 Gram Bromine Replacement Cartridge Single Pack (adjust to any desired quantity in your shopping cart). This longer lasting 200 gram cartridge (green) works seamlessly with FROG Serene In Line and FROG Serene Floating Sanitizing Systems to keep your spa water pristine with minimal effort. Can be used to replace the 150 gram FROG Bromine Cartridge (yellow). Works along with the FROG Serene Mineral Cartridge for use in: FROG Serene