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IMO
Posted by Doug Judd on Oct 22, 2005
The wet sanding, usually 400 grit, does a couple of things. It removes little bits of dustand air bubbles that might have been trapped in the varnish. More importantly, it provides "tooth" or slight roughness to which the subsequent coat more readily adheres.
Plus...wet sanding is fun!
In Response to: wet sanding by kurt freewald on Oct 22, 2005
