FROG Serene works by killing bacteria in two ways with sanitizing minerals and a very low level of bromine
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Replacement Mineral Cartridge for the FROG Serene Floating System
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Unlike chlorine, bromine slowly dissolves in hot water so it’s easier to regulate
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Bromine is less impacted by pH swings ensuring sanitizing effectiveness
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Soft feeling water that’s easier on skin, swimsuits and spa surfaces