Introducing the Frog Bromine Cartridge, the convenient solution for maintaining sparkling, clean water in your spa or hot tub. Designed to work with the FROG @ease Floating System, this cartridge provides a steady release of bromine, helping to sanitize your water and keep it free from bacteria and algae. With its easy-to-use design, simply place the cartridge in the floating holder and let it do the rest. Enjoy a relaxing soak knowing your water is clean and clear with the Frog Bromine Cartridge.