How should I thin or mix this varnish for airbrushing, what shoul I thin with?

Thanks
Rick

If you can get Vallejo thinner, use that, the proportion is usually about 50:50 varnish to thinner. The consistancy you want is that of milk (skimmed). You can also use plain water or alcohol, water would be about 50:50 too, I've never used alcohol and would recommend their own thinners.

PS, I tried mixing some alcohol in with Model Air last night, at low levels it seems to mix okay and may even speed up drying, but in higher concentrations it can also cause the paint to seperate and gum up, so I would use alcohol very carefully. Tamiya uses alcohol in their acrylic thinners but i believe the paint is a different type to Vallejo which does not use alcohol in their thinners.