Spa Frog Mineral Cartridge - For @ease Smartchlor and Serene In-Line Systems

The Spa Frog Mineral Cartridge is the blue cartridge that is used in both Spa Frog @Ease SmartChlor® (Chlorine) and Serene® (Bromine) In-Line Systems. 

The Spa Frog blue Mineral Cartridge is replaced every 4 months. The Spa Frog system will not work correctly if the blue mineral cartridge is more than 4 months old.

For use in:
Frog @ease SmartChlor in-line system
Frog Serene (Bromine) in-line system

Please Note: Spa Frog makes blue mineral cartridges that say @ease and Serene on them and are different shades of blue. These cartridges are interchangeable - they contain the same exact ingredients and work in both systems.

Spa Frog also changes the outside blue color of the Serene mineral cartridge. You may receive a dark blue or a light blue mineral cartridge, depending on what we have in stock.

Did You Know? The blue mineral cartridge does not completely empty out. The only way to determine when your blue mineral cartridge needs to be replaced is to keep track of when you installed the blue cartridge. The blue mineral cartridge lasts for 4 months.