Electric Mid&Hi Fired Ceramics
Potters & Sculptors - Making Rock from Mud
goblet
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Comment by Tracy Minarik on December 22, 2011 at 10:38pm
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Just watch these glazes for running..
Especially the ash glazes. Keep them towards the top till you figure them out more.
Also, Stronium Crystal Magic Cool is a runner also if not thinned right.
I've lost plenty of pieces trying out these new glazes.
Try small test pots first. Good luck!
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It's all about the heat, the slow cool and the application..
What I did is make a large cylinder, overed it in SH Ston. Crystal Magic warm, devided it with lines about 3 inches apart around the whole thing then tested different amounts on it. Fired it in a scutt for the recommended times. I tend to get better results in a scut then in my cone art kiln. I don't know what the difference is, but the Scutt brings this effect out better... Crap shot sometimes...
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I believe this is the Copper Ash glaze, fired to Steven Hills firing schedule. This is put on last, over the Crystal Magic warm, sprayed from underneath to rim as to not get inside the cup. That might have something to do with it. I get different outcomes from the two different kilns I use. One Scutt, which I think this one came out of and my Cone Art. Supposedly the same temps, but they fire differently for some reason...
Not too much, but not to little either.. try some test pots with different amounts and different hold times.. SLow cool is the trick I think.... Good Luck ~
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