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Frog Serene Cartridge Kit

★★★★★ (1)
  • Long-Lasting Clean: The FROG Serene Cartridge Kit ensures weeks of amazing hot tub water, compatible with the FROG Serene Floating System or In-Line System.
  • Dual Sanitization: Utilizes a combination of a low level of bromine and FROG Sanitizing Minerals to kill bacteria two ways, leading to cleaner, clearer, and softer water that's easier to maintain.
  • Efficient System:The Fresh Mineral Water system uses Bromine and Mineral Cartridges to effectively kill bacteria, reduce bromine use by up to 50%, and enhance overall water quality.
  • Gentle on Users and Spa: Reduced bromine usage makes the water gentler on skin, hair, swimsuits, and spa surfaces while the minerals condition the water for softness and help maintain balanced pH levels.
  • Comprehensive Bundle: Includes 1 FROG Sanitizing Mineral Cartridge (lasts 4 months) to kill bacteria and condition water, plus 3 FROG Serene Bromine Cartridges (each lasts up to 4 weeks depending on usage and hot tub size). Prefilled cartridges provide a mess-free, accurate, and stress-free maintenance experience.