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out to sea

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  1. I do this method (underglaze on outside and clay left bare) on a brown stoneware that I use that has very low absorption. Sometimes the tactile feeling is not great straight out of the kiln, so I use a little sand paper and sand them gently in a bucket of water which makes the surface nice and smooth. I do glaze the handles and I test my absorption regularly to make sure all is well. On my white stoneware I use a semi-matte clear glaze (HCSM 2 from Mastering cone 6 glazes) because I don't like a high shine on my paintings. I feel like it gives me the best of both worlds.
  2. I like Speedball's pink underglaze, I don't find that it bubbles like other pink's and has very little burnout. As for a clear matte, there is a recipe in Mastering Cone 6 glazes for High-Calcium Semi Matte 2. It's a semi-matte but does a nice job letting underglaze colors come through without a glossy sheen obscuring them and it's very clear. I would also use the underglaze on leather hard work, that way it doesn't absorb as quickly and you have more time to "swirl" the paint on the surface. Hope that helps some! Good Luck!
  3. Would you suggest firing to cone 6 again then? I'm not too concerned about the glazes running, most of this batch of work is only glazed on the inside, with underglaze paintings on the outside, but I would like to avoiding bloating of the Brown Bear. It just occurred to me that the only cup I tested that didn't weep was one Speckled Brown Bear that actually had been fired twice. So maybe for my next batch I should shoot more for ^7 from the beginning and cross my fingers nothing bloats. I'll put some unglazed cups in this re fire and test absorption on those still.
  4. Thanks Min! I will give the absorption tests a try. And I might try to refire the previous work a little hotter.
  5. Hi Everyone, I have been using two clays from Kentucky Mudworks, when fired to cone 6 Iceman is listed with an absorption rate of 1.4% and Brown Bear with an absorption rate of .2%. I use witness cones when I fire to make sure I'm hitting the right temp. But I find that even on glazed pieces both of these clays will cause a tissue to wrinkle when I leave a pot with water sitting out for a day. I've got to do absorbtion test but my hopes are not high at this point. Any thoughts on why these clays would be weeping when fired correctly? Has anyone else had this issue? Thanks!
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