Babs Posted January 10, 2016 Report Share Posted January 10, 2016 John how do you test when you are using a woodfired biggie which I presume you fire less frequently than the average potter? Link to comment Share on other sites More sharing options...
MatthewV Posted January 10, 2016 Report Share Posted January 10, 2016 See... I started mixing my own glazes in New Zealand with donated materials. Took out all possibilities of actually knowing what was in "potash feldspar" or if it was different from the other half bag I had. I mixed 5-gallon bucket batches for studio use, I have little worry about maintaining exactly the same result. The last 20% was probably cross-contaminated anyways! Which brings up a big question: how important is being able to exactly reproduce a glaze with time? I also make very fast and playful tests on the first go around. Explore the possibilities with spoon accuracy. Testing does not have to be tedious! Woodash and Nepheline Syenite for ∆6 test piece Link to comment Share on other sites More sharing options...
glazenerd Posted January 11, 2016 Report Share Posted January 11, 2016 Mark Think I have a lead on 200-300 lbs of desert talc. The guy bought out an existing studio pottery business and is still going through bags and bags of old stock. Sent him an email after your request- he seems to recall seeing a pile of desert talc. Nerd Link to comment Share on other sites More sharing options...
oldlady Posted January 11, 2016 Report Share Posted January 11, 2016 MARKO, you are just starting out so get as many ingredients in 50 pound bags as you can. not the stuff you only use a little of, just the big stuff. silica 325, feldspars, frits, the things you see in lots of recipes. whiting, dolomite, kaolin............................... Link to comment Share on other sites More sharing options...
Marko Posted January 11, 2016 Author Report Share Posted January 11, 2016 MARKO, you are just starting out so get as many ingredients in 50 pound bags as you can. not the stuff you only use a little of, just the big stuff. silica 325, feldspars, frits, the things you see in lots of recipes. whiting, dolomite, kaolin............................... I have. But I had to buy some less than 50# bags because my supplier in San Antonio didn't always have enough for everyone. And now they are closed. But I have another supplier in Austin. And they are a bigger supplier. So next time I will be buying 50# bags and making notes on the contents. Thanks. Link to comment Share on other sites More sharing options...
oldlady Posted January 11, 2016 Report Share Posted January 11, 2016 don't keep them in bags. transfer the dry materials to plastic rubbermaid tubs that you can open and close without scattering dust all over the place like bags do. Link to comment Share on other sites More sharing options...
oldlady Posted January 11, 2016 Report Share Posted January 11, 2016 forgot to say mark the date on the rubbermaid container and do not add any new material to the container until it is empty. THEN TEST WHATEVER THEY SEND YOU TO SEE IF IT IS THE SAME STUFF. Link to comment Share on other sites More sharing options...
Marko Posted January 12, 2016 Author Report Share Posted January 12, 2016 don't keep them in bags. transfer the dry materials to plastic rubbermaid tubs that you can open and close without scattering dust all over the place like bags do. I have been putting my chems in 5 gal buckets with 1 gal plastic jars on the shelf for easy quick use. I do label them all. Thanks. Link to comment Share on other sites More sharing options...
oldlady Posted January 12, 2016 Report Share Posted January 12, 2016 that's good. it will allow you to keep track as you are mixing a glaze. put all the ingredients in your recipe out on a table and as you use them return the container to it's proper place. if you are interrupted you know you are at the next line of the recipe. Link to comment Share on other sites More sharing options...
Marko Posted January 13, 2016 Author Report Share Posted January 13, 2016 that's good. it will allow you to keep track as you are mixing a glaze. put all the ingredients in your recipe out on a table and as you use them return the container to it's proper place. if you are interrupted you know you are at the next line of the recipe. I start by cleaning my area for mixing so that I don't have any clutter that will make me lose focus. Then, when I have my recipe on my right side (right handed), my My Weigh scale in front of me, with scoops, and a test batch container (I use a 2.5 gal bucket) on my left side, I'm ready to go. I start by taking the first ingredient from my shelf (I use 1 gal and .5 gal plastic containers), weigh it into the bucket and then place it in front of my scale, immediately. This tells me that I have already used it. Check. So even if I forget to check it off my list, I know that I did add it, because it's in front of my scale. When I finish, I double check my recipe, then put back the RM back on the shelf. But, since I have no friends or family that ever visit me, I only have to tell my wife that I am not to be disturbed. And I will not answer the phone till I'm done. If it's important they can leave a message. Link to comment Share on other sites More sharing options...
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