FROG® Serene Mineral & Bromine Cartridges

Enjoy cleaner, softer, and more comfortable spa water with the FROG® Serene Mineral & Bromine Cartridges. Designed to work together in your FROG® Serene system, these easy-to-use cartridges help maintain sparkling water while reducing the amount of bromine needed.

• Mineral Cartridge – Releases a steady stream of natural minerals to condition the water, leaving it feeling softer and reducing unpleasant odors.

• Bromine Cartridge – Provides low-dose bromine sanitization to effectively kill bacteria and keep water crystal clear.

Simply snap the cartridges into your FROG® Serene floating or in-line system, and enjoy up to four weeks of fresh, balanced water with minimal effort. The FROG® Serene Mineral & Bromine Cartridges make spa maintenance simple—so you can focus on relaxing, not worrying about water care.