Clay and Glaze Chemistry

5,533 topics in this forum

1. Macro-Crystalline Zinc Glaze - Combining With A Clear All-Over Glaze? 1 2

   By PottaFella, June 29, 2017
   • 31 replies
   • 5.4k views
   • 
   • glazenerd
   • May 5, 2020

2. Pit Firing Scent

   By Ryan Dawson, May 4, 2020   

   • pitfire
   • post fire
   • (and 1 more)

     Tagged with:

     • pitfire
     • post fire
     • aesthetics
   • 6 replies
   • 499 views
   • 
   • BonnieBee
   • May 4, 2020

3. Identifying Cone 10 Bisque

   By creekgirl, May 1, 2020   

   • bisque fired clays
   • 7 replies
   • 763 views
   • 
   • Brandon Franks
   • May 4, 2020

4. Cone 6 Porcelain recommendations

   By Cori Charters, May 2, 2020
   • 5 replies
   • 745 views
   • 
   • spadefootclay
   • May 3, 2020

5. Red Body Clay Guide

   By glazenerd, April 29, 2020   

   • red body
   • iron
   • (and 5 more)

     Tagged with:

     • red body
     • iron
     • iron disulfide
     • hematite
     • magnetite
     • blistering
     • bloating
   • 23 replies
   • 2.4k views
   • 
   • Babs
   • May 2, 2020

6. Underglaze or engobe for third-firing

   By Ktmountain studio, May 1, 2020   

   • underglaze
   • engobe
   • (and 1 more)

     Tagged with:

     • underglaze
     • engobe
     • thirdfiring
   • 5 replies
   • 333 views
   • 
   • Callie Beller Diesel
   • May 1, 2020

7. Silicon carbide bubbles

   By Barbie, April 30, 2020
   • 7 replies
   • 1k views
   • 
   • Magnolia Mud Research
   • April 30, 2020

8. Problem with Electric Brown

   By SSB, April 13, 2020
   • 11 replies
   • 1.3k views
   • 
   • SSB
   • April 30, 2020

9. Clay suppliers near New York

   By Kevinr1897, April 24, 2020   

   • clay
   • supplier
   • (and 1 more)

     Tagged with:

     • clay
     • supplier
     • new york
   • 6 replies
   • 651 views
   • 
   • Kevinr1897
   • April 30, 2020

10. Quarantine low-firing stoneware

    By spiffypix, April 27, 2020
    • 3 replies
    • 359 views
    • 
    • spiffypix
    • April 29, 2020

11. Newbie Glaze/ Body Question

    By Ashley Scobey, April 26, 2020   

    • newbie
    • low fire clay
    • 3 replies
    • 299 views
    • 
    • Chilly
    • April 28, 2020

12. Adjusting stains for variegation

    By kaileycreates, April 28, 2020   

    • glaze
    • stains
    • (and 3 more)

      Tagged with:

      • glaze
      • stains
      • ceramics
      • mid fire
      • mason stains
    • 3 replies
    • 341 views
    • 
    • liambesaw
    • April 28, 2020

13. Need help with sawdust firing

    By fravsss, April 26, 2020   

    • sawdust firing
    • underfired bisque
    • 24 replies
    • 1.8k views
    • 
    • BonnieBee
    • April 27, 2020

14. Cone 5/6 Stoneware type claybody recipes

    By vivk, April 24, 2020   

    • covid 19
    • clay recipe
    • 8 replies
    • 2.5k views
    • 
    • vivk
    • April 27, 2020

15. Stamping with an underglaze

    By DMCosta, April 25, 2020
    • 6 replies
    • 2.4k views
    • 
    • DMCosta
    • April 25, 2020

16. Oxides over white glaze?

    By Earthandwater, April 22, 2020
    • 11 replies
    • 4.2k views
    • 
    • Rae Reich
    • April 24, 2020

17. when would you add wood pellets to glaze firing?

    By jrgpots, April 14, 2020
    • 4 replies
    • 329 views
    • 
    • Sorcery
    • April 22, 2020

18. dipping glaze leaves large bubbles on ware

    By Juli Long, September 29, 2011
    • 22 replies
    • 12.2k views
    • 
    • Babs
    • April 22, 2020

19. Trouble with pinholes

    By WarEagle2334, April 22, 2020   

    • glaze
    • pinholes
    • (and 3 more)

      Tagged with:

      • glaze
      • pinholes
      • defects
      • help
      • glazing
    • 1 reply
    • 796 views
    • 
    • Min
    • April 22, 2020

20. Dark patches on clay body, cone 6

    By Meghann, April 17, 2020   

    • uneven
    • patches
    • (and 2 more)

      Tagged with:

      • uneven
      • patches
      • dark spots
      • cone6
    • 15 replies
    • 920 views
    • 
    • Sorcery
    • April 21, 2020

21. Stoneware Fired to Earthenware Temperature

    By Maureen ROSE, April 20, 2020
    • 5 replies
    • 659 views
    • 
    • Sorcery
    • April 21, 2020

22. Help me understand what happened on floating blue test tiles.

    By milksnake12, April 20, 2020
    • 3 replies
    • 633 views
    • 
    • milksnake12
    • April 21, 2020

23. Pigment powders mica etc.

    By Dennis Calderbank, April 20, 2020   

    • pigments
    • powders
    • (and 1 more)

      Tagged with:

      • pigments
      • powders
      • colouring ceramics
    • 6 replies
    • 2.7k views
    • 
    • Bill Kielb
    • April 21, 2020

24. Wax as a Surface Treatment

    By SSB, April 20, 2020
    • 1 reply
    • 175 views
    • 
    • LeeU
    • April 21, 2020

25. Transparent glaze recipe

    By Sabbir, April 17, 2020
    • 11 replies
    • 611 views
    • 
    • Hulk
    • April 21, 2020