How to thin/dilute emulsion and oil based paint for spraying
Pettit #121 Spray Thinner, Fast Evaporating Thinner, Reduces Paints and Primers for Spray Application
Amazon.com: U.S. Art Supply 16-Ounce Pint Airbrush Thinner for Reducing Airbrush Paint for All Acrylic Paints - Extender Base, Reducer to Thin Colors Improve Flow - Works for Thinning Acrylic Pouring Paint :