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SENIOR MODERATOR
SOG Member
FT Professional, Author
'03 Finalist, PSofATL
'02 Finalist, PSofATL
'02 1st Place, WCSPA
'01 Honors, WCSPA
Featured in Artists Mag.
Joined: Jun 2001
Location: Arizona
Posts: 2,481
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I have underpainted on the Wallis paper in watercolor; thinned down acrylic; thinned out oil; and pastel melted with mineral sprits, alchohol, and acetone.
As long as you don't apply the underpainting so heavily that it fills the tooth, it all works.
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