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Clay and Glaze Chemistry

Recipes, clay and glaze chemistry, glazing techniques.
Moderated by: Madeleine Coomey

5,553 topics in this forum

  1. Shino glaze is crackling - why?

    By petrichor,
    • 3 replies
    • 1.1k views

  2. Why do they bisque firing at cone 010?

    By Tabathos,
    • 8 replies
    • 2.4k views

  3. Oxide Guide

    By AdamFG,
    • 6 replies
    • 1.6k views

  4. Rookie question: can i glaze greenware and fire only once?

    By EvaB,
    • 7 replies
    • 444 views

  5. Looking for Help! I glaze fired stoneware mugs to cone 6. The clear glaze is has come out rough instead of shiny. Worried they won't be food safe?

    By Steph123,
    • 17 replies
    • 1.1k views

  6. Cone 5 Sculpture Clay Body

    By bois.hutton,
    • 7 replies
    • 851 views

  7. Mold In my Clay

    By savannahpina,
    • 5 replies
    • 2.3k views

  8. 4321 Glaze Faults

    By jdedini,
    • 14 replies
    • 865 views

  9. Beginner wanting to make ceramic tags

    By Mary2212,
    • 14 replies
    • 611 views

  10. Firing At Cone 05 Instead Of 06

    By kevinmansfield,
    • 18 replies
    • 16.4k views

  11. Rust Glaze Recipe

    By Not so famous,
    • 8 replies
    • 1.8k views

  12. Mason Stain White query

    By blackthorn,
    • 6 replies
    • 1.1k views

  13. Intro/Porcelain question 1 2

    By Mark_H,
    • 45 replies
    • 2.2k views

  14. Frost.....Proof?

    By Sorcery,
    • 15 replies
    • 1.5k views

  15. Lead Bisilicate Frit: Why is it used in glazes at high temperature (≥2000 °F)?

    By Ukar,
    • 6 replies
    • 1k views

  16. I would like to use underglaze techniques in Sean O'Connell's CLAYflicks video

    By M5Pots,   
    • 4 replies
    • 297 views

  17. Messing with geology in glazes?

    By Andere,
    • 12 replies
    • 691 views

  18. Sodium Nitrate in Glaze

    By EEC,
    • 1 reply
    • 477 views

  19. I put a penny in the kiln- but what in the world happened? 1 2

    By MariaPolky,
    • 49 replies
    • 19.2k views

  20. Specturn Pink Underglaze Turning White

    By grumpykidstudio,
    • 18 replies
    • 853 views

  21. Alternating glaze layers clear/opaque

    By muddkat,
    • 4 replies
    • 376 views

  22. Seattle Pottery Supply - Midnight Black Clay 1 2 3

    By Potter3ee,
    • 51 replies
    • 5.4k views

  23. Underglaze paints

    By Beliz Çıta,   
    • 6 replies
    • 482 views

  24. Using Stains mixed only with water

    By AdamFG,
    • 6 replies
    • 1.6k views

  25. Chromium Oxide on Foodware

    By AdamFG,
    • 3 replies
    • 1.1k views
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