The Airbrush Thinner can give more flexibility to the colour without causing a loss of adhesion, opacity and covering properties. The product also helps to delay the drying of paint inside the airbrush mechanism, so that is advisable to add a few drops of Thinner while working. For dilution with Thinner, the recommended proportion is 1 part Thinner to 3 parts paint. Distilled water changes the properties of Game Air but is not incompatible.