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The For Flux Sake crew is gearing up for NCECA 2024! Tune in to find out their plans and where you can catch them live at the conference. They also dive deep into listener questions, tackling concerns about lead leaching in your kiln from past firings and fish tank safety. Can your ceramic pieces pose a hidden danger for you or your aquatic friends? Learn the facts with us and stay safe!

Got a perplexing ceramic problem? Send the crew a voice memo with your question to ( and they might just feature it on a future episode.

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.

More information on Rose & Matt’s ceramic glaze and clay courses can be found at

For Flux Sake is produced by The Brickyard Network. More information can be found at

Today’s episode is brought to you by: Bray Poxy (

This week’s episode features the following topics:
Lead, Leaching, Toxicity, Lead Toxicity, Lead Testing, Lead Leaching, NCECA, Studio Safety

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