Having painted and applied decals to my kit, I proceeded to apply varnish to finish off. This is a repeated process I have used on many many of my kit building. I use Humbrol Acrylic and gloss paints, as normal. The varnish is a regular home ware gloss clear type. Immediately the Acrylic bubbled and crazed, but only on some areas, it did not do the same on the gloss or affect the decals. I have never had this happen and as I say, I have used the same paints and varnish process many times before without issue. I did leave at least two to three days before reaching this point. My question for input, is there a specific varnish that should be used or are all equal? Given that specific model paints are now so difficult to get in shops and model shops are disappearing fast.