Bio-Dex Salt ProtectThe Bio Dex Salt Protect product is designed to soften and eliminate scale build up on the salt cell, and also pool surfaces below the waterline. If this product is used regularly, then the salt cell will be protected from future build ups. This saltwater product is compatible with all sanitizer types, acids, and many common pool chemicals. Protects against scale build ups on salt cells Removes many organic stains, and prolongs the life of the salt