DIAMOND CRYSTAL IRON FIGHTER SALT BLOCK FOR WATER SOFTENERS 50 LB

This is the replacement for the 11301633. Typical 99.6 percent pure salt. Virtually 100 percent water soluble. Formulated for use where iron content in water is high. FDA approved additive. Highly effective rust remover. Helps prevent rust stains on household fixtures. Decreases rust buildup. For use in any water softening unit. Minimizes mushing and bridging. Keeps your water conditioning unit operating smoothly.