SureSoft Cube Plus Rust BusterSure Soft Cube Plus is a unique, high-performance formula that minimizes residues and softening equipment maintenance, helping water conditioning units work as efficiently as possible.

  • 99.8% pure salt
  • Guaranteed safe for all water softeners
  • Rust Buster additive removes up to 4 ppm of iron and manganese from your resin

Available in 40- pound bags