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by Kathy King, Rose Katz, Matt Katz
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.
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- 3 weeks ago39 min
Can there be too much boron in a glaze?
This week's show starts with a discussion of a recent viral ceramic video and the merits of a potter dipping pots in water immediately after glazing. The gang also answer listener questions about the amount of boron glazes, melting in cone 6 mattes, and a safety concern from drinking out of a crazed mug. Have you checked out the new For Flux Sake Patreon? This is a great way to show your support and have access to discounted merch, live hangouts, and extra episodes. Head over to Patreon and sign up today. Today's episode is brought to you by Monkey Stuff, The Rosenfield Collection, Cornell Studio Supply, and Ceramic Materials Workshop's Ware Glazes. This week's episode features the following topics: Boron, cone 6 matte, crazing, glaze safety
- Sep 2, 202636 min
How do I reassure customers that I don't use lead?
We start off season six of the podcast with a great question about customer service around ceramics. The gang answer a question from a paint-you-own pottery studio about reassuring customers that they don't use lead and using the full range of cobalt and copper sources that are available on the market. Have you checked out the new For Flux Sake Patreon? This is a great way to show your support and have access to discounted merch, live hangouts, and extra episodes. Head over to Patreon and sign up today. Today's episode is brought to you by Monkey Stuff, Kiln Fire, Sheffield Pottery, Speed Ball, and Ceramic Materials Workshop's Ware Glazes. This week's episode features the following topics: Season 6, paint-your-own pottery, lead, cadmium, cobalt, copper
- Aug 12, 202641 min
Why do cone 10 reduction glazes all look similar?
We start the episode with a quick trip to Materials Corner to hear good news about the mining of Red Art. The gang also answer listener questions about firing cone 6 clays to cone 10, finding vitrified commercial clays, and the aesthetic origins of cone 10 glazes in the United States. Have you checked out the new For Flux Sake Patreon? This is a great way to show your support and have access to discounted merch, live hangouts, and extra episodes. Head over to Patreon and sign up today. Today's episode is brought to you by Rhode Kilns, Monkey Stuff, The Rosenfield Collection, Cornell Studio Supply, and Ceramic Materials Workshop's Ware Glazes. This week's episode features the following topics: Cone 10, Red Art, vitrified commercial clay, Materials Corner
- Aug 5, 202656 min
For Flux Sake Live in Boston!
For the first time ever the whole gang gathered in Boston for a live show at Harvard Ceramics. In this episode they answer listener questions about finding inspiration, altering glazes to fire hotter, dunting in plates, and the decomposition of iron in glazes. A very special thank you to Harvard Ceramics and the Harvard Ed Portal for hosting, and to the excellent questions the audience brought that evening. Have you checked out the new For Flux Sake Patreon? This is a great way to show your support and have access to discounted merch, live hangouts, and extra episodes. Head over to Patreon and sign up today. Today's episode is brought to you by Rhode Kilns, Monkey Stuff, The Rosenfield Collection, Cornell Studio Supply, and Ceramic Materials Workshop's Ware Glazes. This week's episode features the following topics: Hard panning, epsom salts, inspiration, reclaim, plate, dunting, iron decomposition
- Jul 8, 202633 min
Do things ever explode in a glaze firing?
Today we have a special NCECA focused episode featuring questions recorded in person at this year's conference in Detroit. The gang answer questions about explosions in a glaze firing, sanding bisque ware, and wheel cleaning. They also start the episode taking a trip to Materials Corner to talk about changes in the Red Art supply. Thanks to everyone who stopped by the booth to record with us at NCECA. We can't wait to see you again next year. Have you checked out the new For Flux Sake Patreon? This is a great way to show your support and have access to discounted merch, live hangouts, and extra episodes. Head over to Patreon and sign up today. Today's episode is brought to you by Rhode Kilns, Monkey Stuff, The Rosenfield Collection, Cornell Studio Supply, and Ceramic Materials Workshop's Making Glaze Make Sense. This week's episode features the following topics: Explosions, sanding, cleaning, NCECA, materials corner, Red Art
- Jul 1, 202643 min
Do all glazes need Bentonite?
Today we have a special NCECA focused episode featuring questions recorded in person at this year's conference in Detroit. The gang answer questions about using hot wax, refiring in a community studio, particle packing for brushing glazes, and best practices for using Bentonite in glazes. Thanks to everyone who stopped by the booth to record with us. Have you checked out the new For Flux Sake Patreon? This is a great way to show your support and have access to discounted merch, live hangouts, and extra episodes. Head over to Patreon and sign up today. Today's episode is brought to you by Rhode Kilns, Monkey Stuff, The Rosenfield Collection, Cornell Studio Supply, and Ceramic Materials Workshop's Making Glaze Make Sense. This week's episode features the following topics: Wax, refiring, brushing glazes, particle packing, bentonite, NCECA
- Jun 10, 202640 min
The Cost versus Reliability episode
Today the gang compares cost versus reliability when buying kilns and kiln shelves. The episode starts with a question about purchasing S-type thermocouples for new kilns and a discussion about preventing warping in cordierite kiln shelves. On a related but strange note, they also talk about how a popular outdoor grill helped lead the U.S. into our current talc shortage. Have you checked out the new For Flux Sake Patreon? This is a great way to show your support and have access to discounted merch, live hangouts, and extra episodes. Head over to Patreon and sign up today. Today's episode is brought to you by Monkey Stuff, The Rosenfield Collection, Cornell Studio Supply, and Ceramic Materials Workshop's Making Glaze Make Sense. This week's episode features the following topics: S-type, K-type, thermocouple, cordierite, advancer, kiln shelf, Big Green Egg, talc
- Jun 3, 202636 min
Can I add something to a commercial glaze to change its temperature?
To start today's episode the gang talk about their upcoming live show in Boston. We hope you will join us June 5th at the Harvard Ed Portal, where Kathy, Matt, Rose, and Producer Ben will be ready to answer your burning questions about clay and glaze. They also answer listener questions about what to do when all your glazes mature at a different temperature, and how to identify a mystery white spot in the surface of your fired glaze. Have you checked out the new For Flux Sake Patreon? This is a great way to show your support and have access to discounted merch, live hangouts, and extra episodes. Head over to Patreon and sign up today. Today's episode is brought to you by Rhode Kilns, Monkey Stuff, The Rosenfield Collection, Cornell Studio Supply, and Ceramic Materials Workshop's Making Glaze Make Sense. This week's episode features the following topics: Live show, glaze temperature, Cone 5, Cone 5 ½, Cone 6, crystal formation
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About 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.
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Frequently Asked Questions
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It's a free AI-powered email that summarizes new episodes of For Flux Sake as soon as they're published. You get the key takeaways, notable quotes, and links & mentions — all in a quick read.
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For Flux Sake publishes weekly. Our AI generates a summary within hours of each new episode.
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For Flux Sake covers topics including Arts, Design, Visual Arts. Our AI identifies the specific themes in each episode and highlights what matters most to you.
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