Frog Serene Bromine Replacement Cartridge with Scum Absorber and Hot Tub Care E-Book

CONTAINS: FROG Serene Replacement Bromine Cartridges, Scum Absorber, Hot Tub Care Ebook Spa Frog Bromine Cartridge refill for use in either the Spa Frog Floating System or for the Spa Frog Inline System which is factory-installed in the spa. Use with companion FROG Serene Mineral Cartridge for complete water care (Blue cartridge) Replace the Bromine Cartridge when empty (approximately every 2-4 weeks When using with FROG Minerals, bromine use can be reduced up to 50% to 1.0 ppm FROG Serene is ideal for hot tubs sized 150-600 gallons. About FROG Serene Bromine Cartridge Replacement Bundle FROG Serene keeps your hot tub water clean while eliminating the guesswork. Instead of measuring in sanitizer chemicals daily, you simply replace a pre-filled bromine cartridge about once a month. The mineral cartridge helps to reduce the amount of bromine needed to keep the hot tub clean and fresh. The resulting Fresh Mineral Water has a completely different quality that provides the serene spa soak