Zomixzo Mineral Cartridge + Bromine Cartridge Kit Replacement Compatible with Hot Tub Frog Serene Floating System - 4 Month Bundle (2+6) Pack

["🔵 COMPATIBILITY: Mineral Cartridge Replacement Compatible with Frog Serene Mineral Bromine Cartridge Floating System.","🔵 SMARTER, GENTLER WATER: Minerals Cartridge work with Bromine Cartridge, enjoy up to 50% less *Bromien than traditional systems. Softer water protects skin and tub components surfaces.","🔵 HASSLE-FREE MAINTENANCE: Automatically and steadily dispenses, reducing the need for manual shocks or daily checks.","📦 ULTIMATE VALUE BUNDLE: (2+6) Pack. Includes 2 Mineral Cartridge that lasts 4 months plus 6 Bromine Cartridges, each lasts up to 3-4 weeks depending upon hot tub size and usage, clean and clear water for standard-sized hot tubs (up to 600 gallons).","🔵 SERVICE GUARANTEE: If you have any questions about our Cartridge, please feel free to contact us. We will reply to you within 24 hours and give you a satisfactory solution!"]