ZAN Ceramics
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I just read your message on firing to avoid pinholes and bumps in cone 6 and you mentioned a drop and hold firing schedule and showed a beautiful mug. I’m holding for 20 minutes at the highest temp and it looks pretty good but wondering if you suggest dropping to ? temp and Then holding? Hold for how long? Thanks!!
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Because bumps, blisters, and pinholes are related (not the same, mind you!), one fix people try is to drop temp 100° F and hold there before clamming up the kiln. It’s what I do with my local glaze that pinholes a lot.
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what does clamming up the kiln mean???
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Oh, sorry, that just means shutting it off. Old term from gas, oil, and wood kilns where you would make sure the damper is shut and other openings are closed off at the end of a firing.
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