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I use acrylics pretty much exclusively, and spray them between 15 and 20 psi with good results. Modelflex can be sprayed right of the the jar at those pressures; I thin Polly S almost 50% and get really nice results. Since I thin my paints, I don't need to use higher air pressures. <br /> <br />Someone asked for a tip on how to prevent their air brush from clogging: every time you set your brush down, run the needle into the tip to close it. It seems that air can get at the paint inside the bru***hrough the tip when the brush is temporarily not being used. Since doing it, no more clogging. <br /> <br />After I finish each job, I run demineraled water through the brush for about a minute, and then Badger cleaner (or just plain old paint thinner-works really well for acrylics) through for about a minute. I pull the needle out and remove the tip. The only time I have found a need to clean either of these was when I discovered I didn't have a tight air seal between the brush and my paint jar.
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