Yes! You can apply your paint to a wet palette and then use the same brush that has been dampened (but not soaked) with water onto any other surface which you want to be covered in paint, including smooth surfaces or models already finished in black/white, etc. Use it directly from the pot without having to mix anything extra for this technique! Since using a wet palette is best when wanting maximum control over coverage, make sure everything's fully set before adding more layers. Otherwise, there might be puddling later on, which could ruin all of your hard work.