MODERN MASTERS 16 OZ RUST ACTIVATOR SOLUTION Water-based acidic solutions that are applied to the Metal Effects Reactive Metallic Iron Paint by drizzling some, applying by brush, sea sponge, or pump spray.
Solution will react with the real metal in the paints, thus speeding up the oxidation process. This is applied while the iron is still wet. Remember to use the Modern Masters Acid Blocking Primer as a base before painting with the iron or copper.