Uploaded January 2026 | Updated September 2026, 2 weeks ago
Ep. 121! Do kilns really need peep holes?
Have you ever wondered why kilns have peep holes? Today Matt, Rose, and Kathy debate the function and necessity of peep holes, while also tackling a question about glazing only the interior of a pot. They also start the episode talking about the research Kathy is doing at Harvard Ceramics into the historic use of graphite as a ceramic sealer.
Do you have questions or need advice on glazes?
➤ Check out 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 (patreon.com/c/ForFluxSakePodcast/) and sign up today.
🎙️Today’s episode is brought to you by:
Monkey Stuff (monkeystuff.com/)
The Rosenfield Collection (rosenfieldcollection.com/)
Cornell Studio Supply (cornellstudiosupply.com/)
Making Glazes, Make Sense (ceramicmaterialsworkshop.com/courses/making-glazes-make-sense.html)
For Flux Sake is hosted by Matt and Rose Katz of the Ceramics Materials Workshop along with Kathy King of the Harvard Ceramics Program. Together they answer your burning questions about clay and glaze. In each episode they answer listener submitted questions in a comical, but also insightful way. This show will have you laughing and learning about glaze chemistry the chemistry behind ceramics in no time. New episodes typically drop every 2 weeks.
#Peephole #kilnventing #glazetension #glazecompression #dunting #vitrification #ceramicpodcast #podcast
Ep. 121! Do kilns really need peep holes?
Have you ever wondered why kilns have peep holes? Today Matt, Rose, and Kathy debate the function and necessity of peep holes, while also tackling a question about glazing only the interior of a pot. They also start the episode talking about the research Kathy is doing at Harvard Ceramics into the historic use of graphite as a ceramic sealer.
Do you have questions or need advice on glazes?
➤ Check out 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 (patreon.com/c/ForFluxSakePodcast/) and sign up today.
🎙️Today’s episode is brought to you by:
Monkey Stuff (monkeystuff.com/)
The Rosenfield Collection (rosenfieldcollection.com/)
Cornell Studio Supply (cornellstudiosupply.com/)
Making Glazes, Make Sense (ceramicmaterialsworkshop.com/courses/making-glazes-make-sense.html)
For Flux Sake is hosted by Matt and Rose Katz of the Ceramics Materials Workshop along with Kathy King of the Harvard Ceramics Program. Together they answer your burning questions about clay and glaze. In each episode they answer listener submitted questions in a comical, but also insightful way. This show will have you laughing and learning about glaze chemistry the chemistry behind ceramics in no time. New episodes typically drop every 2 weeks.
#Peephole #kilnventing #glazetension #glazecompression #dunting #vitrification #ceramicpodcast #podcast
