For Flux Sake
Kathy King, Rose Katz, Matt Katz
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Recent Episodes
S5E131 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-type thermocouples for new kilns and a discussion about…
S5E130 Can 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, where Kathy, Matt, Rose, and Producer Ben will be ready…
S5E129 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 and physical limitations of glaze layering. What seems like a…
S5E128 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 best cleaning practices for keeping pets and children safe…
S5E127 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 materials are for starting a glaze lab. The gang also answer…
S5E126 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 about the differences between slow, medium, and fast on…
S5E125 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 answer a listener question about how to keep plates from…
S5E124 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 in reduction fired clays. Today the gang talk about the…
S5E123 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 talk about various ways to prepare a glaze and why you might…
S5E122 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 to use in clay and glazes. The gang also answers a…
S5E121 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.…
S5E120 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 size of colorants affects glaze outcomes. They also begin…
S5E119 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 topic, and their new book Amazing Glaze: Food Safe Recipes.…
S5E118 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 temperature, glaze melt, and vitrification. They also…
S5E117 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 about why hard-panning happens and how you can fix it. They…
S5E116 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 gang talk about how and why it happens. They also answer a…
S5E115 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 answer listener questions about using wild clays in a…
S5E114 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 also answer listener questions about clay color changes,…
S5E113 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 along with why 'S' type thermocouples are the best for…
S5E112 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 also answer listener questions about the logic behind Orton…
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For Flux Sake has published 84 episodes since September 2023, covering topics in Arts, Design.
For Flux Sake is currently highly active with new episodes every 2 weeks. Average episode length is 35m.
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