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Showing results for tags 'relay failure'.
I had a relay fail during a Cone 5 glaze firing. The temp reached 1800 degrees and fired 10 and a half hours. The glazes were under fired and looked chalky but they do not come off. I have replaced the bad relay and my question is: do I re-glaze before re-firing, just re-fire, or do I just throw the stuff away?