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Showing results for tags 'bubbles commercial glaze'.
Hello, I am hoping to leverage some good experience from potters with more know how than I. I have a Paragon electric kiln, and use commercial glazes (Duncan, Amelco, Coyote, and Spectrum. I fire to cone 6. From time to time, and with what seems like without reason I get bubbles and or pimples in the glaze. I like to think I’m fairly careful not to let foreign material infect the glaze. Any thoughts on what cause these issues? Overfire maybe? thanks in advance ~Mal