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Clay and Glaze Chemistry

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

5,589 topics in this forum

  1. How can I make rough surface on my glaze

    By Sepehrl,
    • 6 replies
    • 1.1k views

  2. Talc as lowfire flux

    By ATauer,
    • 9 replies
    • 716 views

  3. How to approach thickening caused by CMC or MAGMA additive

    By Beebop,
    • 12 replies
    • 993 views

  4. Another soda ash wash thread

    By rdrr,
    • 6 replies
    • 1k views

  5. How to get smooth flowing glaze for Cuerda Seca

    By mr_glazy_man,
    • 2 replies
    • 429 views

  6. bright blue food safe glaze 1 2

    By ImogenB,
    • 26 replies
    • 5.8k views

  7. Bubbles forming in glaze (BEFORE firing)

    By Shaina Mahler,
    • 5 replies
    • 365 views

  8. EPK vs ball clay in a glaze recipe?

    By Beebop,
    • 20 replies
    • 1.4k views

  9. Firing cone 10 clay body to cone 8 with a 20 minute hold for drinking vessels

    By ClayKatie,
    • 16 replies
    • 1.8k views

  10. Mad Science in the Mud: Or, Franken-earthenware

    By Pyewackette,
    • 7 replies
    • 488 views

  11. Is it possible to make bone china with synthetic bone ash?

    By ATauer,
    • 13 replies
    • 566 views

  12. Help finding out how this glaze effect is created

    By lobashpottery,   
    • 6 replies
    • 394 views

  13. Cone 5 firing is a bust!

    By JohnnyK,
    • 3 replies
    • 380 views

  14. Some raku newbie questions

    By ATauer,
    • 8 replies
    • 628 views

  15. bed of silica

    By Courtney,
    • 13 replies
    • 1.1k views

  16. Shivering

    By Dani dowling,
    • 11 replies
    • 538 views

  17. Glass frit in glaze

    By Lucy GReen,
    • 17 replies
    • 3.7k views

  18. Coyote high fire underglazes

    By Bam2015,
    • 8 replies
    • 410 views

  19. Smelly Clay Scrap Bucket

    By Crooked Lawyer Potter,
    • 5 replies
    • 717 views

  20. Underglaze on bisque ware

    By LaniJones1234,
    • 2 replies
    • 457 views

  21. Glaze too dark, not bright as usual. What’s wrong?

    By Mindy Murphy,
    • 1 reply
    • 509 views

  22. Repair unfired clay sculpture

    By Jim Austin,
    • 13 replies
    • 939 views

  23. Can a high-fire cone 10 porcelain clay be fired to only cone 6 or cone 7 successfully?

    By Annie Mackin,
    • 14 replies
    • 1.5k views

  24. Cone 10 base glaze recipe

    By kevinpleong,
    • 11 replies
    • 1.3k views

  25. Possible to reverse engineer my favorite clay?

    By Jen WC,
    • 4 replies
    • 272 views
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