For Flux Sake cover art

For Flux Sake

For Flux Sake

By: Kathy King Rose Katz Matt Katz
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About this listen

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.Archie Bray Foundation Art
Episodes
  • How can you tell if a glaze is fully melted?
    Jul 9 2025

    Today your favorite glaze experts answer a listener's question about judging the melt of an ash glaze, methods for wet mixing bentonite, and whether or not it's safe to use industrial dinnerware made before lead was regulated. They also open the show talking about why you should never crush encapsulated stains. Do you have questions or need advice on glazes? Drop us a line at ForFluxSakePodcast@gmail.com and you could be featured on an upcoming show.

    Today's episode is brought to you by Monkey Stuff, The Rosenfield Collection, Snow Farm: The New England Craft Program, and Cornell Studio Supply.

    This week’s episode features the following topics:

    Ash glaze, glaze melt, bentonite, macaloid, lead test, encapsulated stain

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    36 mins
  • Are metallic glazes similar to melted metal?
    Jul 2 2025

    Have you ever wondered what makes a bronze glaze work? This week on the show the gang answer a listener's question about metallic oxides in glazes, and discuss the finer points of what makes a pinhole a pinhole. Do you have questions or need advice on glazes? Drop us a line at ForFluxSakePodcast@gmail.com and you could be featured on an upcoming show.

    Today's episode is brought to you by Cornell Studio Supply and Ceramic Materials Workshop Consulting.

    This week’s episode features the following topics:

    Pin holing, metallic oxides, bronze glazes, cobalt crystalline glazes, crystalline glaze

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    37 mins
  • Can you adjust a cone 6 glaze up to cone 10?
    Jun 20 2025

    Have you ever found the perfect glaze, but it is formulated for a different temperature? Today the gang talk about adjusting glazes from cone 6 up to cone 10, and how you might tell if your kiln can handle going to cone 10. They also start the episode checking in about their summer plans. Do you have questions or need advice on glazes? Drop us a line at ForFluxSakePodcast@gmail.com and you could be featured on an upcoming show.

    Today's episode is brought to you by Cornell Studio Supply and Ceramic Materials Workshop Consulting.

    This week’s episode features the following topics:

    Cone 6, Cone 10, Bristol glaze, kiln, elements

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    32 mins

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