The "Rust effect" has two components: component A (powdered iron 80 gr) and component B (reagent 80 ml). Spread some of component "A" on top of or mix it with any Stamperia Paste (Plaster, Soft Paste, Gel Paste, etc..), then pour a few drops of reagent "B" on top of the mixture. The more reagent "B" you use, to the rust effect will appear after 24 hours about. Rinse the brushes with water after use.
