Sheesh! This post from 1-13 just showed up (2-4.) Sure makes it hard to have a conversation!
Ron, I've had acetone cause clumping as well, or at least flaking but it's good for final cleaning certainly.
Tell us more about Vallejo, my experience with them shows them to be problematic. What's a reccomended thinner/emulsifier? Cheers,
The Keeper (of too much crap!)