Made by SPA FROG ®
The SPA FROG ® Bromine Cartridge for In-line and Floating Systems.
In-line System is built right into the spa and uses the same mineral and bromine cartridges as the SPA FROG ® Floating System.
For easy top loading of replacement cartridges, simply open the cap, pull up the holder and snap them in.
Cartridge lasts between 2 and 4 weeksWater Testing
Spa Frog needs to set to a bromine level of 2ppm, you will need to adjust the dispenser to this.
SPA FROG® In-Line System is used by many brands including : Marquis Spas, Caldera Spas & Emerald Spas