FROG Serene Spa Mineral & Bromine Cartridge Refill Kit – 1 Mineral + 3 Bromine Cartridges

FROG Serene Spa Mineral & Bromine Cartridge Refill Kit provides a convenient way to maintain clean, clear hot tub water using the FROG Serene mineral and bromine sanitizing system. The kit includes one FROG Serene Mineral Cartridge and three FROG Serene Bromine Cartridges, giving you the replacement cartridges needed for ongoing spa maintenance.

The mineral cartridge works together with bromine to provide effective spa sanitation while allowing up to 50% less bromine than a bromine-only program. The prefilled cartridges also eliminate the need to measure loose bromine chemicals, making routine hot tub care simpler.

Product Features:

• Complete FROG Serene spa cartridge refill kit
• Includes 1 Mineral Cartridge + 3 Bromine Cartridges
• Works with FROG Serene Floating and In-Line Systems
• Helps maintain clean, clear hot tub water
• Mineral system allows up to 50% less bromine compared with bromine alone
• Prefilled cartridges provide convenient, mess-free replacement
• Mineral cartridge lasts up to 4 months or until the spa is drained and refilled
• Each bromine cartridge typically lasts 2–4 weeks, depending on spa use
• Adjustable bromine cartridges for controlled sanitizer delivery
• Genuine FROG/King Technology replacement cartridge kit
• Manufacturer part number 01-14-3856
• UPC 722906038511

The FROG Serene Cartridge Refill Kit makes it easy to replenish your existing system and continue the mineral-and-bromine water care program without replacing the reusable floating or in-line holder.

Package Includes: One FROG Serene Mineral Cartridge and three FROG Serene Bromine Cartridges. Floating holder is not included.