docweathers
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Everything posted by docweathers
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Underpainting With Cobalt Carbonate?
docweathers replied to BetsyLu's topic in Clay and Glaze Chemistry
thanks that clears up my confusion about the metrics. You seem like an endless wealth of technical information. Have you ever thought about writing a book to compile all of this? -
Underpainting With Cobalt Carbonate?
docweathers replied to BetsyLu's topic in Clay and Glaze Chemistry
thanks that clears up my confusion about the metrics. You seem like an endless wealth of technical information. Have you ever thought about writing a book to compile all of this? -
Underpainting With Cobalt Carbonate?
docweathers replied to BetsyLu's topic in Clay and Glaze Chemistry
thanks for the useful information on mixing this stuff. However, I'm a little confused about your metrics. "22% gerstley borate, mixed and sieved. To this we add 11.1% mason stain plus 5.6% zircopax " Do I use these numbers as relative proportions of these ingredients? -
Underpainting With Cobalt Carbonate?
docweathers replied to BetsyLu's topic in Clay and Glaze Chemistry
Norm what ratio of cobalt oxide in Gerstley borate you find works best? -
being the compulsive type, I did the math will see what happens. thanks for all of the guidance Larry
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That makes good sense and I will follow your advice. Since I had seen some recipes from very advanced potters using both red and yellow iron oxides in the same glazes, I was just worried that I was missing something. Larry
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Thanks for your insight. What is the substitution ratio between the various Iron Oxides? The amount of Fe2O3 is quite different between them. Thanks Larry
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I would like to substitute some red iron oxide in glaze formulas that use yellow iron oxide, because I don't have any yellow, such as Hanna's fake ash. I've looked yellow iron oxide up on Insight and various places on the web. It seems to be just a less concentrated form of iron oxide, but I don't quite believe it. Has anyone had any experience making this substitution? What has been your experience?
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RECYCLED glass infused pottery
docweathers replied to cstovin's topic in Studio Operations and Making Work
Is Randy's Oatmeal Rust oxidation or reduction? -
^6 Red Glaze with 6006 Deep Crimson
docweathers commented on Marcia Selsor's gallery image in Browse Member Galleries
Compared to the deep crimson color swash on the Mason site, it looks like there's quite a bit of fading. mason colors Are there any better alternatives or techniques? -
About a year ago, I got a old but good condition Bluebird pugmill off of craigslist for 100 bucks. it's not de-airing but upgrading it may be one of my next projects. They do show up from time to time. The only downside I found to using this small pug mill is it you've got to be ready to throw 100 pounds or more clay it to make it worth fiddling with. Larry
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Very clever and attractive. It looks like it should have religious significance. does it? -
Up in Smoke Pottery 059.jpg
docweathers commented on Up in Smoke Pottery's gallery image in Browse Member Galleries
Thanks I will have to try it. -
How did you create the cracking on IMG_2198_crop.jpg IMG_2127.JPG -
Up in Smoke Pottery 059.jpg
docweathers commented on Up in Smoke Pottery's gallery image in Browse Member Galleries
Wonderful glaze. What is it? Larry -
Again, this stuff is great. What glaze are you using? Wow! Larry -
Really nice. What glaze are you using? Thanks Larry -
What is the high fire glaze you are using... it is great! -
Again, what is this glaze. I love it. Where do you come up with this great stuff? -
I love your glazes. What is the glaze on this pot? -
What is the glaze on this cup? Thanks Larry -
