Our premium purity water softener salt contains up to 99.8 percent pure salt. Virtually 100 percent water soluble, these compacted pellets are specially formulated to prevent mushing and bridging in the brine tank – helping to keep your softener clean and trouble-free. Patented 2-handle, 40 and 50 lb. bags make lifting and carrying easier than ever. Now… poly bags made of 50 percent recycled material NSF certified, these pellets are recommended for all types of softeners.