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Let the used paints dry before disposing of them in the trash. Do not wash your color palette, since the acrylic paint might clog your pipes. Instead, use a plastic tray as a color palette, and let the leftover paint dry after you're finished using it. Then, peel the paint off from the tray when it's completely dried. You could also just apply new, wet paint directly over the dried paints. It's best to use the same color as the dried paint—the colors won't mix once the paint is dry, but it might be hard to see exactly what color you're using if you layer different colors over the dried paint. If the paints are still very wet, you might be able to just wipe them out of the palette with a damp paper towel. (责任编辑：) |