Allendale True Value, 40 LB, Water Conditioning Salt Cubes With Rust Fighting Formula, Removes Rust While Softening Water, Highly Soluble 99.8% Pure Salt, Improves Softener Performance, Cleans Resins, Eliminates Odors & Prevents Staining & Discoloration, Recommended By Professionals, Bag, UPC: 0 41482 32911 1.