redout duracube
hardi cube
redout hardi cube
dc pellets
redout pellets
redout block
dc brine blocks
dc potasium chloride
dc economy rock
dc solar salt

Diamond Crystal Hardi-Cube Red-Out
with Iron Fighter Formula
  • Minimum 99.8% pure salt.
  • Virtually 100% water soluble.
  • Uniquely compacted shape for extra hardness.
  • FDA approved additive helps prevent rust stains on laundry, fixtures, sinks, tubs and bathroom bowls and is considered non-toxic to bacteria in septic tanks.
  • Reduces rust build up and keeps water conditioning units running longer.
  • Minimizes mushing and bridging; keeps your water conditioning unit operating smoothly and reduces softener maintenance costs.


Avalible In:
  • 50 lb. poly bag