FROG Serene Replacement Mineral Cartridge with 3 Replacement Bromine Cartridges for use with Hot Tub FROG Serene Floating Sanitizing System - Prefilled for Quick & Easy Hot Tub Maintenance

Keep your hot tub in great condition and ready for use with the FROG Serene Cartridge Kit. The FROG Serene Cartridge Kit is a group of replacement FROG Serene Cartridges that ensures your water remains clean and clear for weeks. This kit includes one mineral replacement cartridge and three bromine replacement cartridges, designed to work seamlessly with either the FROG Serene Floating or In-Line System. With FROG’s unique systems, maintaining your hot tub has never been simpler. Enjoy the benefits of reduced bromine usage by up to 50%*, making the water gentler on your skin, swimsuits and hot tub surfaces. The mineral cartridge eliminates organic matters, conditions the water for softness and effectively absorbs acids, helping to keep pH levels balanced. FROG’s bromine replacement cartridges also eliminate organic matters and eliminate organic contaminants. The combination of the two results in cleaner, clearer and softer water that’s easier to maintain. This mineral and bromine combination not only enhances water quality but also extends the life of your hot tub surfaces. FROG’s prefilled bromine cartridges offer a hassle-free solution to hot tub maintenance—no more measuring or handling chemicals directly. Simply replace the cartridges to keep your spa sanitized effortlessly. For more than 25 years, FROG has sanitized pools, hot tubs and swim spas with its innovative, patented Mineral Technology that makes water care easier. FROG's prefilled cartridges mean no mess, no guess and no stress water care for your pools, hot tubs and swim spas. Each FROG product helps make your water cleaner, clearer, softer and easier. No matter what size pool, hot tub or swim spa you have, FROG has a solution for it. *Compared to the minimum ANSI recommended chlorine level of 2.0 ppm for a residential hot tub.

• Cartridges for Hot Tub Maintenance: FROG Serene Mineral and Bromine Replacement Cartridges are designed for FROG Serene Floating System; includes one replacement mineral cartridge and three replacement bromine cartridges
• Innovative Technology for Clean Water: FROG Serene combines our patented mineral formula with a low level of bromine to create clean, silky soft Fresh Mineral Water in your hot tub
• Long-Lasting Performance: FROG Serene mineral cartridge lasts four months and each bromine cartridge lasts 2 to 4 weeks; prefilled FROG cartridges simplify the maintenance of your hot tub
• Hot Tub Sanitization: With FROG Serene, you use up to 50%* less bromine, making the water easier on skin, swimsuits and your hot tub’s surfaces; slow dissolving bromine creates far less odors than traditional chlorine
• Water Care Expertise: FROG has more than 25 years of experience making water care easier & keeping pool, hot tub and swim spa water sanitized; FROG's patented Mineral Technology and prefilled cartridges create cleaner, clearer, softer water