FROG® Serene™ Cartridge Kit – 1 Mineral + 3 Bromine Cartridges, 4-Month Supply (01-14-3856)

This FROG Serene (formerly Spa FROG) Cartridge Kit gives you weeks and weeks of ahhmazing hot tub water, for use in FROG Serene Floating System or In-Line System FROG Serene is a complete sanitizing system that eliminates organic contaminants 2 ways with a low level of bromine and FROG Sanitizing Minerals resulting in Cleaner, Clearer, Softer water that is Easier to maintain The FROG Serene Fresh Mineral Water hot tub system uses Bromine and Mineral Cartridges to eliminates organic contaminants 2 ways, reduce bromine use by up to 50%* and improve the overall quality of hot tub water You use 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 This bundle includes 1 FROG Sanitizing Mineral Cartridge, which lasts 4 months; minerals eliminates organic contaminants, condition the water for softness and absorb acids – water feels much more comfortable, and 3 FROG Serene Bromine Cartridges - each which lasts up to 4 weeks, depending on hot tub size and use. Prefilled Cartridges mean no touching or measuring bromine – no mess, no guess, no stress!