Iron X Decon. Dilution: Pure RILEY'S IRON X DECON is primarily built to quickly remove brake dust and iron deposits from the wheels and painted surface of your vehicle. This product also removes contaminants and fallout on painted surfaces that are invisible to the naked eye. Direction: Spray on the desired surface and leave for 1-2 minutes. Use a brush to gently agitate dirt and grime . Rinse away filth, cleaner residue, and soap with a sharp stream of water. *By request/order.