Episodes

  • Gabriel Kline and Bill Collins on food safe glazes
    Dec 11 2025

    Have you wondered what makes a glaze food safe? Today we are happy to welcome Gabriel Kline and Bill Collins to the show to talk about the topic, and their new book Amazing Glaze: Food Safe Recipes. They discuss the definition of food safety, how to test glazes, and what they learned after testing dozens of popular cone 6 and cone 10 recipes.

    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:

    Food safety, leaching, crazing, cone 6, cone 10, shino, phase separation



    Show More Show Less
    44 mins
  • Why is the last 200 degrees of the firing the most important?
    Dec 3 2025

    Do you fire your kiln fast or slow? And does it really matter? Today the gang answer a few listener questions about the relationship between temperature, glaze melt, and vitrification. They also discuss a class of clays out of the UK that vitrify at low fire temperatures.

    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:

    Firing rate, glaze melt, shino, cone 6, cone 8, vitrification

    Show More Show Less
    29 mins
  • Why is my casting slip hard-panning?
    Nov 20 2025

    Commercial casting slips are great for their convenience, but what do you do when your recipe hard-pans in the bucket? Today the gang talk about why hard-panning happens and how you can fix it. They also discuss making temp checks, the best bisque temp for commercial glazes, and the controversy around the sale of fake ceramic pigments.

    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:

    Materials corner, hard-panning, casting slip, commercial glaze, temp checks,

    Show More Show Less
    38 mins
  • Help my clay is plucking!
    Nov 12 2025

    Have you ever had small pieces of an unglazed foot ring stick to a kiln shelf? This bummer of a phenomenon is called plucking, and today the gang talk about how and why it happens. They also answer a listener's question about increasing plasticity in halloysite porcelains and take a trip to Materials Corner to discuss the rumors swirling around EPK production. 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.

    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:

    EPK, Materials corner, Halloysite, Frost porcelain, Southern Ice porcelain, Bentonite

    Show More Show Less
    33 mins
  • Halloween Extravaganza with Lord Celsius, Wizard of Clays, and Copper Carb
    Nov 1 2025

    Halloween is our favorite holiday at For Flux Sake. We can't get enough of the costumes, candy, and science! Join the gang this week as they answer listener questions about using wild clays in a community studio, washing dirty clay laundry, and the proper way to open a bag of dry ceramic material. 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.

    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:

    Halloween, Lord Celsius, Clay Wizard, Copper Carb, laundry, silicosis, wild clay, dry materials storage

    Show More Show Less
    34 mins
  • What are the do's and dont's of working in a community studio?
    Oct 15 2025

    Joining a new community studio can be exciting, but also a little scary. Today the gang talk about how to be a good community member. They also answer listener questions about clay color changes, using tar paper in the studio, and where to start when you get your first potter's wheel. 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.

    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:

    vitrification, under fired, clay color, tar paper, community studio, potters wheel

    Show More Show Less
    34 mins
  • How do you convert glazes to European materials?
    Oct 8 2025

    Have you ever moved and had to convert your glazes to materials from a different continent? Today the gang talk about how you might do that along with why 'S' type thermocouples are the best for accurate firings. They also answer listener questions about upcycling large amounts of casting slip and solutions for handles that keep popping off. 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.

    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:

    thermocouple, casting slip, pulling handles, BMix, European glazes

    Show More Show Less
    40 mins
  • What's the history behind Orton cones' unusual numbering system?
    Oct 1 2025

    Today's episode starts with a trip to Materials Corner where the gang talk about the likely end of a favorite Kaolin for soda firing. They also answer listener questions about the logic behind Orton cone's numbering system, the cause of scumming in clay, and the lowest temperature that it's ok to store clay. 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.

    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:

    Materials Corner, Helmar Kaolin, Orton cones, scumming, winterizing your studio

    Show More Show Less
    34 mins