Frog Serene Bromine Cartridge Kits (200gm)

Pre-filled cartridges for no mess, no guess and no stress water care
Kills bacteria with up to 50% less bromine*
Special larger sized Bromine Cartridges lasts 3-4 weeks depending on hot tub usage 200 GRAM Cartridge compared to the yellow 150 gram cartridge.
Easy to use with weeks of consistent and effective water sanitization

$19.95 USD

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Size Single 3 Pack (w/ Mineral) 4 Pack (w/ Mineral) 5 Pack (w/ Mineral)