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Cheers! I thank you very much if anyone can consult. I don't know why in the black or red ceramic paste (which I have high temperature), my faldespatico base enamels do not cover this clay. The enamels come out with bubbles.., although in white clay they work well for me. I understand that black clays contain ox iron and manganese..
I have just started making my own glazes, I purchased the raw materials and I used my friend’s hood in her lab to mix up some of the glazes. I have bisqued pieces and the first coat of the glaze went on easily, BUT when I went to apply the the second coat it dried almost as quickly as the brush touched the pot, making it nearly impossible to apply a second coat. It was as if the glaze crystalized upon touching like in a supersaturated solution, but the glaze was well mixed and not supersaturated. This was with “Tin Foil II” and “MFE Turnidge”. I did not wait long between coats…
I'll start by admitting complete ignorance when it comes to electric wheels. For most of the last 40 years, I've thrown on a Brent wooden kickwheel, the kind you cut the wooden parts for out of a sheet of plywood and the flywheel is bricks sandwiched between two ply disks. It's been through three changes of wood. (Now it's quietly composting in a corner of the backyard.) These days I use a nice Lockerbie, which I like a lot better. However, a while back I bought a used Clay Boss for next to nothing. It ran fine for a couple weeks, then it started acting weird. It seemed to be skipping