6 FROG Serene Bromine Replacement Cartridges for Hot Tubs for only with FROG Serene In-Line and Floating Sanitizing Systems for Spas up to 600 gallons, Hot Tub Sanitizer – 150 Grams

For in FROG Serene (formerly Spa FROG) Floating System or In-Line System with the Mineral Cartridge (sold separately); FROG Serene sanitizes hot tub water with a low level of bromine and FROG Sanitizing Minerals 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 FROG Serene Fresh Mineral Water hot tub Bromine and Mineral Cartridges that sanitizes the water while reducing bromine by up to 50%* and improve the overall quality of hot tub water. *Compared to the minimum ANSI recommended chlorine level of 2.0 ppm for a hot tub. You 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 Each Bromine Cartridge can be dialed in to meet your spa’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