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Hello, guys! Searched but didn't found the answer . Balsa, propionate sealer, acrylic paints sealed with propionate after each layer/color. And 30 min Devcon as topcoat. Perfect visual results, amazing hardness ... but cracks when meet rocks or stones . I'm wondering is there some trick to avoid or minimize this effect? Thinking to switch to 30 min BSI - could this help? Thanks in advance!

Thanks, guys! I'll try again with more careful measuring and mixing!

Hello guys, I'm new in using Devcon as a top coat. What I've noticed is that after it dries i.e. about 24 h or more I can make a mark with my nail over the coat. This is with one coat applied. Is that the normal hardness or I'm doing something wrong? Thanks in advance!