Heat bubbles
I built several plugs over the winter and never had a problem with them. I was surprised they even worked. I put several in plug box and left them in my backpack in the sun. When I looked at them last night I noticed bubbles in the all the plugs, even a couple I hadn't used. The rest of the batch in the basement is fine. Could the heat in the box lifted the paint? I used Minwax Wood Hardener, kilz Rattles (Painters Touch) and Poly. Any ideas?
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