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Members Q&A

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Pinholes on commercial glazes

Hi! I used 2 commercial glazes from speedball and coyote and both came with pinholes, inside and outside of the pieces. The glazes are matte. Anyone knows why I got them? Would a refire

fix them?

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Unknown member
Feb 04

Sometimes referring helps, but it depends on why the pinholes formed. In your case like Gina mentioned, it could be that it’s one layer too thick or so. Meaning the gases in the glaze couldn’t escape, and so a bubble formed. If you want to refire, it’s worth a shot, but just know it might not smooth out the bubbles and a real solution will probably be to test them at different amounts of layering

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