FROG 5400 Mineral Reservoir Cartridge hot tub chlorine The flip-over design helps signal

The flip-over design helps signal when the chlorine cartridge is used up and ready for replacement

For a 40 ppm increase

Includes 1 Mineral Cartridge and 3 Bromine Cartridges

It gives your sanitizer a helpful boost without adding chlorine or cyanuric acid

FROG 5400 Mineral Reservoir Cartridge hot tub chlorine The flip-over design helps signalFROG Replacement Mineral Reservoir Prefilled Mineral Cartridge for Pool FROG 5400 and XL PRO Cyclers. Free Shipping! The Smarter Way to a Cleaner, Softer Pool Tired of harsh chemicals and complicated pool care routines? The FROG Replacement Mineral Reservoir is your shortcut to a sparkling, healthier poolwithout all the work. Specially designed for use with the Pool FROG Model 5400 and XL PRO Cycler systems, this prefilled mineral cartridge makes pool