Originally Posted by
Simon Barden
The best answer is to try it first on a piece of scrap wood. If the sealer and acrylic colour aren't compatible, then you'll soon know. Poly and Nitro are supposed to be compatible, nitro and acrylic less so, but sometimes it comes down to exactly what people have put in each can.
If it doesn't work, then shellac has been recommended as a sealer that is compatible with everything, but it's just that bit messier as you have to warm up the shellac beads with water, then brush or wipe it on (or a mixture of the two).
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