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.

Why are my plates cracking? 03/11/2026

What causes carbon coring in clays? 03/04/2026

Do I really need to sieve my glazes? 02/11/2026

Should I make my own clay? 02/04/2026

Do kilns really need peep holes? 01/15/2026

Is there a difference between real and fake ash glazes? 01/08/2026

Gabriel Kline and Bill Collins on food safe glazes 12/11/2025

Why is the last 200 degrees of the firing the most important? 12/03/2025

Why is my casting slip hard-panning? 11/20/2025

Help my clay is plucking! 11/12/2025

Halloween Extravaganza with Lord Celsius, Wizard of Clays, and Copper Carb 11/01/2025

What are the do’s and dont’s of working in a community studio? 10/15/2025

How do you convert glazes to European materials? 10/08/2025

What’s the history behind Orton cones' unusual numbering system? 10/01/2025

Is the bacteria in reclaimed clay a problem? 09/18/2025

What makes a glaze have a wide firing range? 09/10/2025

What defines low-fire ceramics? 09/03/2025

How does a kiln sitter work? 07/16/2025

How can you tell if a glaze is fully melted? 07/09/2025

Are metallic glazes similar to melted metal? 07/02/2025

Can you adjust a cone 6 glaze up to cone 10? 06/20/2025

Does how tight a kiln is packed affect its final temperature? 06/11/2025

What does vinegar do to clay? 06/05/2025

Fluxed Up with Steven Young Lee 05/21/2025

Are ceramic sealers safe to use on functional ceramics? 05/14/2025

Episode 100! 05/07/2025

Fluxed Up with Susan Feagin 04/23/2025

When do glazes actually melt during the firing? 04/17/2025

Who are we? 04/09/2025

Fluxed Up with Meredith Host 03/25/2025