Cargill Diamond Crystal Iron Fighter 100012446 Salt Pellets, 50 lb Bag, Blocks

Virtually 100% water soluble and made with up to 99.8% pure salt, these blocks are specially formulated to resist mushing and bridging in the brine tank helping to keep your softener clean and trouble free. The Iron Fighter® formula salt block also contains a highly effective rust remover which helps to prevent rust stains on laundry and household fixtures.