Includes: 1 Yellow FROG Serene Bromine Cartridge

• For use in FROG Serene (formerly Spa FROG) Floating System or In-Line System with the Mineral Cartridge (sold separately); FROG Serene eliminates organic contaminants 2 ways with a low level of bromine and FROG Sanitizing Minerals
• The FROG Serene Fresh Mineral Water hot tub system uses Bromine and Mineral Cartridges that work together to eliminates organic contaminants 2 ways, reduce bromine use up to 50%* and improve the overall quality of hot tub water
• You use less bromine, making water easier on skin, hair, swimsuits, and your hot tub’s surfaces. FROG Sanitizing Minerals condition the water for softness and absorb acid to help keep pH balanced
• The Bromine Cartridge can be dialed in to meet your hot tub’s precise needs and is designed to last 2-4 weeks per cartridge. It’s prefilled, making replacement quick and easy, plus it’s recyclable when empty
• Unlike chlorine, bromine slowly dissolves in hot water so it’s easier to regulate, has far less odors and is less impacted by pH swings making sanitizing more effective. Say goodbye to constant monitoring. The Mineral Cartridge must be replaced every 4 months to effectively sanitize the hot tub, it works with the Bromine Cartridge to eliminates organic contaminants 2 ways.