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Hey guys...help! So I have been doing low fire work (jewelry) for years and have just ventured into mid fire work. My question is likely somewhat dumb but here goes. I purchased my first bit of cone 5-6 stoneware clay and had a question about temps. With my work that I have been doing in low fire, I bisque fire to cone 04 then glaze fire to 06. What temp do I bisque fire the stoneware? Not knowing any better, I bisque fired it to cone 5 and then glaze fired it to cone 5 and none of the glazes turned out to look like they were supposed to. Thanks in advance for the help.
I have been getting serious pitting on my glazed pots. Does not seem to be isolated to one glaze. wondering if one problem could be that the initial bisque is not going hot enough. I am electric kiln firing , using a Bartlett sitter at 04 bisque; completed at 13 hours. Would it be useful to try bisque firing a second time and maybe holding for 45 minutes? Are there major dangers of cracking pot to bisque a 2nd time? Thanks, Stephenw