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-ty...
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For Flux Sake
Matt and Rose Katz of the Ceramics Materials Workshop will answer your burning questions about clay and glaze. Each episode co-host Kathy King will present listener submitted questions that...
For Flux Sake Podcast Guide
Listen to For Flux Sake, a Arts podcast by Ceramic Materials Workshop. Stream 118 episodes in English, follow new audio stories, and play episodes online on Radio and Podcast.
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Episodes
20 of 118 episodesCan 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...
Why do layered glazes look different every time?
Today we have a special Flux U episode where the gang dive deep into glaze application to answer a listener's question about the chemical an...
Can I use ash from a volcano in my glaze?
To start today's explosive episode a listener writes in wondering about using ash from Mt. St. Helens in a glaze. The gang also talk about b...
What materials should I buy to start mixing glazes?
We love questions from our educator friends. Today's episode starts with a question from a high school teacher who wondered what the best ma...
Is it best to use the medium or fast fire setting on my kiln?
Have you ever wondered what the firing rates are for the pre-programmed kiln schedules in modern kilns? In today's episode the gang talk abo...
Why are my plates cracking?
Unloading a kiln can be an emotional rollercoaster, especially if it's filled with a new ceramic form that gives you trouble. Today the gang...
What causes carbon coring in clays?
What is carbon coring, and should we care about it? The term is actually a misnomer, with the real culprit being iron, a common ingredient i...
Do I really need to sieve my glazes?
Glaze preparation is a necessary part of the ceramic process, but have you ever wondered why sieving glazes is important? Today the gang tal...
Should I make my own clay?
To start today's episode we take a ride to Materials Corner to talk about the situation with EPK, as well as, if there is an easy substitute...
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 ta...
Is there a difference between real and fake ash glazes?
Happy New Year! To start 2026 the gang answer listener questions about ash glazes, mixing brushing and dipping glazes, and how the particle...
Gabriel Kline and Bill Collins on food safe glazes
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 t...
Why is the last 200 degrees of the firing the most important?
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...
Why is my casting slip hard-panning?
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 a...
Help my clay is plucking!
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...
Halloween Extravaganza with Lord Celsius, Wizard of Clays, and Copper Carb
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...
What are the do's and dont's of working in a community studio?
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 a...
How do you convert glazes to European materials?
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...
What's the history behind Orton cones' unusual numbering system?
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 a...