Mold Armor, 128 OZ, Concentrate, EZ Deck Driveway Wash, Pressure Washer, Kills Mold & Mildew & Removes Mold Stains, Contains Special Additives That Enable The Active Ingredients To Penetrate Porous Surface & Provide A Deeper Clean, Powers Away Dirt, Grime & Mold In Minutes, Contains Corrosive Inhibitors To Protect The Metal Equipment, EPA Registered.