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Good day, I create ceramic pipes and have been having issues with the bowls / bottoms of the pipes encountering runny glaze. I fire mostly cone7to10 in my natural gas kiln and my problem has occurred most when I dip glaze for 3 seconds. I have spray glazed with greater success but it is cold outside where I spray and I want to stay warm inside. I do production so time is important which means brush glazing takes to long and should be out of the question. So do you have any tips on how to prevent my glazes from running and ruining my pipes? Less dip time? Deal with the cold? Face the long time of brushing? Or maybe dip the top half of the pipe and then the bottom half for 1second and brush the glaze in the bowl? To better understand the question and see my work you can visit ceramicsmokeware . com. Know that your time and replies are much appreciated. Thanks, James P
Hi all, I'm very new to ceramics and need help with underglaze and clear glaze compatibility. I use Duncan covercoat on bisque with a Colorobbia CLA3 non toxic clear glaze over it. The problem is, the color just doesn't come out right when I use this glaze. I have tried firing at higher temperatures, I have tried putting the covercoat on leather hard clay, firing, then dipping in clear glaze and firing again- nothing seems to work. The color doesn't come out. I have contacted both Duncan and Colorobbia, both seem to say that the two products should work just fine together. When I tried a different clear glaze (lead based) it seemed to work perfectly fine, the color comes out just right. The problem is I do not want to be using a lead based glaze as my pots are for dinnerware! Any suggestions or ideas would be greatly appreciated! Thanks!!