Clay and Glaze Chemistry

5,557 topics in this forum

1. Old Amaco glaze? Solidifying on the bottom of the bucket.

   By Syvanis, October 15, 2020
   • 5 replies
   • 498 views
   • 
   • Chilly
   • October 16, 2020

2. Transparent turning blue

   By MindyKay, October 13, 2020
   • 10 replies
   • 1.8k views
   • 
   • Mark C.
   • October 16, 2020

3. Kiln wash flaking

   By Holly Himes, October 14, 2020
   • 5 replies
   • 308 views
   • 
   • Piedmont Pottery
   • October 15, 2020

4. Terra Sigilatta

   By cone^5, October 14, 2020
   • 4 replies
   • 210 views
   • 
   • Sorcery
   • October 15, 2020

5. Firing Porcelain

   By Clover, October 15, 2020   

   • porelain
   • kiln
   • (and 3 more)

     Tagged with:

     • porelain
     • kiln
     • firing
     • bisque
     • glaze
   • 2 replies
   • 475 views
   • 
   • Sorcery
   • October 15, 2020

6. Help to find similar glazes please

   By Bam2015, October 13, 2020
   • 10 replies
   • 675 views
   • 
   • Bam2015
   • October 15, 2020

7. Spar named after one of our own-Minspar

   By Mark C., October 11, 2020
   • 7 replies
   • 420 views
   • 
   • glazenerd
   • October 14, 2020

8. Epsom Salts question

   By EKasse, October 12, 2020
   • 11 replies
   • 1.9k views
   • 
   • EKasse
   • October 13, 2020

9. Moldy smell to glaze

   By ronfire, October 10, 2020
   • 9 replies
   • 733 views
   • 
   • Babs
   • October 12, 2020

10. Stains and underglaze with slip

    By Nicky S, October 10, 2020   

    • stains
    • underglazes
    • (and 2 more)

      Tagged with:

      • stains
      • underglazes
      • slip
      • ratio
    • 8 replies
    • 762 views
    • 
    • Nicky S
    • October 11, 2020

11. Glaze Problems - pinholes ? How to resolve 1 2

    By Liz C, July 28, 2020   

    • glaze
    • pinholes
    • (and 9 more)

      Tagged with:

      • glaze
      • pinholes
      • glaze help
      • blisters
      • glazes
      • pinholing
      • pinhole
      • glaze defects small bubble
      • glaze defects
      • gloss glaze problem
      • glossy glaze recipe
    • 41 replies
    • 4.8k views
    • 
    • Hulk
    • October 10, 2020

12. Barium in functional ware 1 2

    By allenc27, June 25, 2020
    • 30 replies
    • 4.1k views
    • 
    • Babs
    • October 10, 2020

13. Clay Body for Horse Hair Pottery

    By SFKeller, October 7, 2020
    • 6 replies
    • 993 views
    • 
    • glazenerd
    • October 10, 2020

14. Can I add clay on bisque?

    By Iveta, October 8, 2020
    • 2 replies
    • 325 views
    • 
    • Babs
    • October 10, 2020

15. Rust

    By jan goodey, October 9, 2020
    • 3 replies
    • 385 views
    • 
    • neilestrick
    • October 9, 2020

16. Adding Mica to Glaze?

    By MudNug, September 12, 2020
    • 12 replies
    • 3.7k views
    • 
    • glazenerd
    • October 9, 2020

17. Cobalt hydroxide vs cobalt oxide

    By jafa5, October 2, 2020
    • 7 replies
    • 815 views
    • 
    • jafa5
    • October 8, 2020

18. How to stop fingermarks on a matt bronze glaze

    By BettyH, October 4, 2020
    • 12 replies
    • 569 views
    • 
    • Mark C.
    • October 7, 2020

19. Correcting this glaze

    By Babs, October 4, 2020   

    • cracking before firing
    • defloccuation
    • 5 replies
    • 623 views
    • 
    • Babs
    • October 4, 2020

20. Mixing Glaze Stains To Change the Shade of Colour

    By tomhumf, October 3, 2020
    • 2 replies
    • 513 views
    • 
    • tomhumf
    • October 4, 2020

21. ruined after glazed and fired

    By BonnieBee, October 1, 2020
    • 10 replies
    • 996 views
    • 
    • Bill Kielb
    • October 3, 2020

22. From sculpture to functional: It's like starting over

    By BlueSky, October 1, 2020
    • 11 replies
    • 540 views
    • 
    • liambesaw
    • October 2, 2020

23. Clay for beginners

    By Sile, September 29, 2020
    • 15 replies
    • 1.4k views
    • 
    • Sorcery
    • October 2, 2020

24. Glazing Ceramics Without Fire

    By Nathan123, March 1, 2017   

    • ceramics
    • glaze
    • (and 6 more)

      Tagged with:

      • ceramics
      • glaze
      • glazing
      • kiln
      • pottery
      • paint
      • duncan
      • no fire
    • 10 replies
    • 28.9k views
    • 
    • Callie Beller Diesel
    • September 30, 2020

25. Scallop Shell powder in glazes

    By Jay Jago, September 28, 2020
    • 4 replies
    • 605 views
    • 
    • Bill Kielb
    • September 30, 2020