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Clay and Glaze Chemistry

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

5,556 topics in this forum

  1. What kinds of glaze?????

    By Thuythanhthanh,
    • 5 replies
    • 498 views

  2. Commercial glaze varieties: Colors, pazazz?

    By Greg H,   
    • 4 replies
    • 557 views

  3. Firing schedules to fix offgassing of ash glaze (^6 ox)

    By Northern Pots,
    • 10 replies
    • 695 views

  4. Blue glaze projecting micro-droplets during firing

    By Naton,
    • 6 replies
    • 447 views

  5. Crawling

    By Sophie D,
    • 4 replies
    • 653 views

  6. White areas in fresh 630 clay

    By MartinD35,
    • 4 replies
    • 428 views

  7. Transparent cone 6 grey glaze?

    By Algoessailing,
    • 21 replies
    • 1.4k views

  8. Same glaze different cone firing

    By karenmanzanero,   
    • 4 replies
    • 351 views

  9. Best place to buy underglaze

    By ashhorth,
    • 4 replies
    • 247 views

  10. Glaze making empty round circles

    By lin_c,
    • 7 replies
    • 577 views

  11. Dealing with wollastonite lumps 1 2

    By Piedmont Pottery,
    • 31 replies
    • 2.1k views

  12. Glaze Flaking off

    By tzylawy,
    • 3 replies
    • 484 views

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

    By carolross,
    • 32 replies
    • 2.8k views

  14. Glaze cracking boiling water

    By ashhorth,
    • 12 replies
    • 1.3k views

  15. Homemade versions of commercial "fluxes"

    By 2Relaxed,
    • 1 reply
    • 1k views

  16. Glaze with Cr - problems

    By Raymond P.,
    • 8 replies
    • 550 views

  17. Frit 90176

    By Jennifer Newman,
    • 6 replies
    • 673 views

  18. Pesky Pinholes

    By Skip,
    • 19 replies
    • 1.8k views

  19. 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
    • 326 views

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

    By Rebekah Krieger,
    • 6 replies
    • 498 views

  21. High percentage ash glazes in oxidation

    By Northen Pots,
    • 6 replies
    • 869 views

  22. Porcelaine slip on White stoneware body

    By Lucia Matos,   
    • 7 replies
    • 477 views

  23. UK supplier of glaze samples + Glaze Course

    By Surtsey,
    • 2 replies
    • 931 views

  24. Pinholes on refire

    By Noodles,
    • 1 reply
    • 341 views

  25. Is this a misprint?

    By Babs,
    • 8 replies
    • 435 views
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