Proclear Mineral Spa Sanitizer - Jacuzzi - 4057
Keep your spa's water clean and smooth over time. Used in conjunction with chlorine or MPS, Jacuzzi®'s ProClear II Mineral Cartridge is snapped into the filter cap of 2005+ J-300™ and J-400™ series hot tubs to reduce odors and residue. Should be used with an Ozone system, and requires a small amount of non-chlorine oxidizer. Do not mix with bromine and bromides. Is not compatible with Biguanides. Replace every four months.