The typical drying time of acrylic paint is slowed down by Mont Marte Acrylic Retarder Gel. Before committing to your final artwork, practice using it. ASPECTS A longer drying period makes color blending simpler and allows for a smoother coat on bigger areas. This medium's viscosity could alter. Depending on the environment and quantity used, drying times can change. SUGGESTIONS One part medium to four parts paint is the recommended mix ratio; experiment for different outcomes.