For Flux Sake

For Flux Sake

Matt and Rose Katz of the Ceramics Materials Workshop and Kathy King of the Ceramics Program at Harvard University discuss listener questions about clay and glaze. This show will have you laughing and learning about the chemistry behind ceramics in no time.

Latest Episode

How do you convert glazes to European materials? (09.10.2025)

Previous Episodes

  • What’s the history behind Orton cones' unusual numbering system? 02.10.2025
  • Is the bacteria in reclaimed clay a problem? 18.09.2025
  • What makes a glaze have a wide firing range? 10.09.2025
  • What defines low-fire ceramics? 04.09.2025
  • How does a kiln sitter work? 17.07.2025
  • How can you tell if a glaze is fully melted? 10.07.2025
  • Are metallic glazes similar to melted metal? 02.07.2025
  • Can you adjust a cone 6 glaze up to cone 10? 20.06.2025
  • Does how tight a kiln is packed affect its final temperature? 11.06.2025
  • What does vinegar do to clay? 05.06.2025
  • Fluxed Up with Steven Young Lee 22.05.2025
  • Are ceramic sealers safe to use on functional ceramics? 15.05.2025
  • Episode 100! 08.05.2025
  • Fluxed Up with Susan Feagin 24.04.2025
  • When do glazes actually melt during the firing? 17.04.2025
  • Who are we? 10.04.2025
  • Fluxed Up with Meredith Host 26.03.2025
  • What should we know about cristobalite and quartz inversion? 06.03.2025
  • Fluxed Up with Paul Andrew Wandless 20.02.2025
  • Are there budget-friendly black and purple glazes? 13.02.2025

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