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Everything posted by davesnipersdad

  1. Min, I started the kiln on Saturday at noon. I didn't use cones in the firing. This dipping glaze was new. I mixed it the previous Saturday. The larger pieces I had to pour the glaze over since they were too large to actually dip. At one point I did sit the one down in the glaze to readjust the tongs. I'll bet that's what caused the glaze to get thick on the bottom and stick to the shelf. It was only a moment but apparently that does matter. The other smaller pieces that were dipped were only in the glaze for a count of 5 seconds. The glaze seemed quite watery after remixing. I've used the premixed ancient jasper and brushed it on pieces in the past and had no problem.
  2. This is a new kiln. This firing was its 6st time being used. What's even stranger is I used all dipped glazes, Ancient Jasper, Frosted Turquoise and Indigo Float. Everything glazed with Ancient Jasper ran and stuck to the shelves. Two large pieces cracked, one of which is still adhered to a shelf. It's a fine mess. The other glazes did fine. I'd attach a photo but its too large to upload.
  3. Stephen, I do have an electric vent running the entire time and I did remove all the peeps at the 250° temp. I also propped the lid open about 6" but it was still popping and pinging. I ended up waiting until the next day after work to remove my stuff.
  4. I believe it is a stoneware. So, if I fire it at cone 5 it shouldn't do that?
  5. I see this is an old subject but it pertains to my situation so here goes; I fired a load of pottery to cone 6 Saturday at noon. Skutt kiln 1027-3. I attempted to open the kiln Monday afternoon after work at 5:00pm. The kiln internal temperature was 251°f. After removing the first piece I heard "a choir of pinging and popping". My shop temperature was 75°f and from what I have read, opening the kiln at that temperature is fine. I removed the top shelf of pots and stopped since I didn't want anything to bust or have cracked glazes. Was there just too wide a difference between the internal and external temperatures and that's why all the noise when removing pieces? Also, will the cracking and popping damage the pieces?
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