The type of paint you are using, and your desired consistency will determine the flow release amount you can add. The general rule of thumb states that the flow release should be anywhere from 12-25% of your mixture. Painting with acrylics can be fun but frustrating due to the fast-drying properties of the paint and the appearance of brush strokes on the surface. We hope the tips discussed will help you get the results you want. Achieving a smooth finish requires that you keep practicing the art to learn. Frequent practice allows you to experiment with different surfaces, brush mediums, and paint and see the ones suitable for your type of painting.