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About Roberta12

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  1. Roberta12

    spectrum underglazes

    I use underglaze quite often. I mostly use Amaco and Duncan, but the others seem to be really good as well. Yes, I blend my underglazes just like you would with watercolors. I have mixed larger amounts of two colors together in order to get just the right shade of green/red/blue/etc. Usually I just use smaller amounts in a little palette and blend or even water down if I am wanting more of a water color effect. If you have watercolor experience, you will love what you can do with underglaze. Roberta
  2. Roberta12

    Calcined Zinc Oxide

    Yes, thank you for the clarification, Mag. Mud. It was zinc oxide I was asking about. It's almost as dry as Death Valley here where I live. And my containers are closed. Thank you for the information. I really appreciate all you all. I am not kidding. This forum is where I go for specific information. Thanks.
  3. Roberta12

    Looking for a purple cone 5-6 glaze

    I have used a couple of the purples from John Britt's book. Pikes Peak purple, and Ashley's purple. They are both matte. Is that what you are looking for?
  4. Roberta12

    Calcined Zinc Oxide

    I used up my supply of zinc oxide. The supply house is 200 miles from me, so when my cousin was coming over my way he asked if I needed something from the supply house. I called and ordered some zinc oxide. When he delivered it to me the container says Calcined Zinc Ox. I know what it means to calcine, I was just wondering if it will change the recipes I use? And the zinc ox I used up originally was several years old, so I do not know if it was calcined or not. What is the general thought amongst you glaze/chemistry/ chemical gurus? Roberta
  5. Roberta12

    slow leaking pots

    I started in a community studio. Many of my pots would leak as well. And sometimes grow mold. After researching the matter, I found that the clay was not vitrified. The clay bodies being used were for a higher cone that what was being fired. I was not able to address this with the person in charge, so once I had my own kiln, clay, glazes, I bought clay that was appropriate for my firing temps. And made certain my kiln was firing to the proper temp. Perhaps you could ask the teacher if she uses cone packs in each load? And read up on vitrification. See if you think it addresses your problem. Roberta
  6. Roberta12


    I don't believe I have ever sold something from Instagram. But I don't use it for that purpose. I just use it to stay in touch with potter friends. And to make more potter friends. It's nice to have the connection. And I certainly do not have 30K followers. Maybe 100 or something. No clue. but You can get out of it what you want. And I will use IG to promote local events. I have not found it to be as snarky as FB. A little kinder. But maybe that's because I am interested in potters and pottery!
  7. Roberta12

    Hardening of glaze

    The only glazes I have had crystallize are ones that have lithium in them. But that is after they have been in the bucket for awhile. Not immediately. I hope one of the glaze gurus can help you. Do you have the recipe available??
  8. I throw in the house, in a small room, where all I need is a small radiant heater for a short time. My kiln and glazes are in the unheated shop. But it is very well insulated, and I can close off my side of the shop with doors and again, a small heater takes care of the comfort level. The first winter I had the shop I was constantly running out there to check the temp. Even with 30 below or more, it never freezes in there. So I don't run a heater unless I am out there. The rest of the time, the kiln keeps things warm. I feel very fortunate!
  9. Roberta12


    Ooooooo! How fun!
  10. Roberta12

    New Potter

    Definitely start with classes. Find a way to have time to practice on your own. While you are taking classes, do some reading, watch some videos, ask some questions. You may find you do not like wheel work as much as hand building, or vice versa. I started at 52 and never looked back. 12 years later I still make it a priority to take classes or workshops. It's a great way to build skills and connect with others. I would advise you to hold off on purchasing equipment until you have had some experience with clay. The classes will help you define exactly what it is you like and don't like about clay. Best of luck to you! Roberta
  11. Roberta12


    You have been very busy!!
  12. Roberta12


    wonderful rims!
  13. Roberta12


    Beautiful!!!! Love the pedestal foot!
  14. Roberta12


    Gorgeous! Did you use a fake ash glaze on the upper part?

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