Both pan watercolors and those in tubes can be thinned with water for airbrushing. When using pan watercolors you can lather the paint with a paint brush and then transfer it via the brush to the airbrush color cup (or reservoir) for spraying. Tube watercolor, the type most commonly used, can be thinned with water in a cup or jar and then poured into the color cup.
You can find a variety of spray guns in your local art supply store, and auto paint supply store two types are usually carried—the conventional spray gun and the HVLP (High Volume Low Pressure) spray gun.
Each month on ARTtalk.com you’ll find informative information that deals with a variety of subjects such as artist/art history, current events and art world news, competitions and opportunities, and museum/gallery exhibitions.
These explain various techniques—how to work and paint with artist’s watercolor on paper, oils or acrylics on artist canvas; how to use pastels, pencils or pen and ink; how to work with different surfaces/grounds;