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Clay and Glaze Chemistry

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

5,572 topics in this forum

  1. Glaze making empty round circles

    By lin_c,
    • 7 replies
    • 587 views

  2. Dealing with wollastonite lumps 1 2

    By Piedmont Pottery,
    • 31 replies
    • 2.1k views

  3. Glaze Flaking off

    By tzylawy,
    • 3 replies
    • 497 views

  4. Underglaze pinholes and flaws - I don't understand why? 1 2

    By carolross,
    • 32 replies
    • 2.8k views

  5. Glaze cracking boiling water

    By ashhorth,
    • 12 replies
    • 1.3k views

  6. Homemade versions of commercial "fluxes"

    By 2Relaxed,
    • 1 reply
    • 1k views

  7. Glaze with Cr - problems

    By Raymond P.,
    • 8 replies
    • 552 views

  8. Frit 90176

    By Jennifer Newman,
    • 6 replies
    • 691 views

  9. Pesky Pinholes

    By Skip,
    • 19 replies
    • 1.8k views

  10. Looking for an old glaze called Butternut, a commercial glaze (not sure, but I believed from Laguna who said they never had one). It was a buttery gold with black specks, and our studio used it 20+ years ago. Does anyone remember this glaze?

    By Carmela,
    • 4 replies
    • 327 views

  11. Cone 5-6 re fire with salt or?

    By Rebekah Krieger,
    • 6 replies
    • 502 views

  12. High percentage ash glazes in oxidation

    By Northen Pots,
    • 6 replies
    • 895 views

  13. Porcelaine slip on White stoneware body

    By Lucia Matos,   
    • 7 replies
    • 484 views

  14. UK supplier of glaze samples + Glaze Course

    By Surtsey,
    • 2 replies
    • 948 views

  15. Pinholes on refire

    By Noodles,
    • 1 reply
    • 342 views

  16. Is this a misprint?

    By Babs,
    • 8 replies
    • 437 views

  17. Fish Print on Bisqueware. Underglaze that is safe to eat in liquid form?

    By troyceramics,
    • 16 replies
    • 936 views

  18. sparkle/glitter clay for marbling

    By rawtoast,
    • 13 replies
    • 1.3k views

  19. Aluminum Oxide vs Alumina Hydrate

    By Roberta12,
    • 2 replies
    • 773 views

  20. Does Frit 3124 bubbles?

    By Didiho,
    • 18 replies
    • 1.3k views

  21. Curing with laser heat treatment

    By Beded,
    • 14 replies
    • 1.2k views

  22. Bisque fix Firing temperature..

    By docweathers,
    • 4 replies
    • 438 views

  23. Bisque firing schedule

    By Danny,
    • 8 replies
    • 8.5k views

  24. Glaze Pinhole Causes and Remedies

    By thiamant,
    • 0 replies
    • 152 views

  25. Is there such a thing as neon underglaze?

    By ashhorth,
    • 9 replies
    • 918 views
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