ATOM-20530 ATOM Thinner and Cleaner (500mL)Thinner specially formulated for acrylic paints. Use this thinner for optimal results with the airbrush and to prevent clogging. It can also be used for brush painting. We recommend adding 30 % thinner for airbrushed base coats. You can increase this thinner ratio as much as necessary to apply transparent coats, glazes, shading or other effects. Provided in a clear 500 ml container. This product is environmentally friendly and odorless.