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- Per-Episode Audience
Est. listeners per new episode within ~30 days
10,001 - 25,000 - Monthly Reach
Unique listeners across all episodes (30 days)
25,001 - 75,000 - Active Followers
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15,001 - 40,000
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On the show
Recent episodes
What materials should I buy to start mixing glazes?
Apr 8, 2026
Unknown duration
Is it best to use the medium or fast fire setting on my kiln?
Apr 1, 2026
Unknown duration
Why are my plates cracking?
Mar 11, 2026
Unknown duration
What causes carbon coring in clays?
Mar 4, 2026
Unknown duration
Do I really need to sieve my glazes?
Feb 11, 2026
Unknown duration
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| Date | Episode | Description | Length | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 4/8/26 | 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 a question about cleaning up clay with soap and take a trip to Materials Corner to report on the recent bankruptcy of a major ceramic materials supplier. 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: Glaze lab, beginner glazes, soap, Materials Corner | — | ||||||
| 4/1/26 | 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 Bartlett controllers, and how the rates affect glaze outcomes. They also answer a listener question from Sweden about Boron sources and why some of them were recently banned. To start the episode Rose and Matt also announce their exciting new adventure into the world of commercial glaze - Ware Glaze. 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 speed, Bartlett controller, borax, boron, Sweden | — | ||||||
| 3/11/26 | 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 cracking, the best temperature for firing terracotta, and if there is a vegan alternative for shellac. 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. Are you coming to NCECA? Look for Matt and Rose at the Ceramic Materials Workshop booth and Kathy at the Harvard Ceramic booth in the expo hall. Hope to see you there. 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: Compression, particle packing, terracotta, low fire, shellac | — | ||||||
| 3/4/26 | 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 phenomenon along with questions about kiln safety, and best studio practices for kids and pets. 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. Are you coming to NCECA? Look for Matt and Rose at the Ceramic Materials Workshop booth and Kathy at the Harvard Ceramic booth in the expo hall. Hope to see you there. 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: Carbon coring, red iron oxide, black iron oxide, reduction, stoneware clay | — | ||||||
| 2/11/26 | 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 not need to sieve as much as you think. They also break down the idea of glazes that fire at multiple temperature ranges, and answer a listener's question about bubbling in a clear glaze. 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: Sieving, bubbling, clear glaze, low fire, mid range, high fire | — | ||||||
| 2/4/26 | 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 listener's questions about the feasibility of making your own clay. What equipment do you need? Does doing it yourself save money? 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, clay mixing, pug mill, Pioneer Kaolin, Georgia Kaolin | — | ||||||
| 1/15/26 | 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? 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: Peep hole, kiln venting, glaze tension, glaze compression, dunting, vitrification | — | ||||||
| 1/8/26 | 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 the episode sharing stories about the highs and lows of art center holiday sales. 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: Ash, Fake Ash, colorant, particle size, holiday sale, brushing glaze, dipping glaze | — | ||||||
| 12/11/25 | 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. 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 | — | ||||||
| 12/3/25 | 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 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 | — | ||||||
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| 11/20/25 | 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 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, | — | ||||||
| 11/12/25 | 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 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 | — | ||||||
| 11/1/25 | 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 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 | — | ||||||
| 10/15/25 | 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, 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 | — | ||||||
| 10/8/25 | 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 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 | — | ||||||
| 10/1/25 | 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 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 | — | ||||||
| 9/18/25 | Is the bacteria in reclaimed clay a problem? | To start the show Kathy shares about the research being conducted into vanishing historic lusters at the Harvard Art Museum. The gang also answer listener questions about material supply chains, the cleanliness of reclaimed clay, and why Matt and Rose went solar. 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: Chinese lusters, supply chains, reclaimed clay, bacteria, carbon foot print, solar | — | ||||||
| 9/10/25 | What makes a glaze have a wide firing range? | Have you ever wondered why some glazes have a wide firing range? Today the gang talk about this phenomenon, answer listener questions about adding stains to clay bodies, and discuss underglaze application. This episode also starts with a trip to Materials Corner along with a check in from a listener about the porosity of flower pots. 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: Firing range, materials corner, frit 3134, flower pots, underglaze, brushing glaze | — | ||||||
| 9/3/25 | What defines low-fire ceramics? | We are back for season 5 of the show with a low-fire themed episode. Today the gang talk about a few parameters that define low-fire ceramics, as well as how de-airing pug mills work. They also start the show talking about the brand 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. 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. 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: Low-fire, terracotta, pugmill, de-airing, wedge, vitrification | — | ||||||
| 7/16/25 | How does a kiln sitter work? | Do you remember the joys of using a kiln sitter? Those mini cones were so cute until you dropped one in the bottom of a fully loaded kiln. Even though manufacturers have shifted to computer controlled models, sitters were a key part of electric kilns for decades. Today on the show the gang answer listener questions about firing a kiln with a kiln sitter and making your own decals. Rose also reads a hilarious story about a clay plasticity experiment gone wrong. 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. This episode is the last of the season. We will take a summer break for the month of August and be back to start season five in September. Today's episode is brought to you by Monkey Stuff, The Rosenfield Collection, Snow Farm: The New England Craft Program, and Cornell Studio Supply. This week's episode features the following topics: Kiln sitter, cones, electric kiln, decals, plasticity, clay formulation | — | ||||||
| 7/9/25 | How can you tell if a glaze is fully melted? | Today your favorite glaze experts answer a listener's question about judging the melt of an ash glaze, methods for wet mixing bentonite, and whether or not it's safe to use industrial dinnerware made before lead was regulated. They also open the show talking about why you should never crush encapsulated stains. 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. Today's episode is brought to you by Monkey Stuff, The Rosenfield Collection, Snow Farm: The New England Craft Program, and Cornell Studio Supply. This week's episode features the following topics: Ash glaze, glaze melt, bentonite, macaloid, lead test, encapsulated stain | — | ||||||
| 7/2/25 | Are metallic glazes similar to melted metal? | Have you ever wondered what makes a bronze glaze work? This week on the show the gang answer a listener's question about metallic oxides in glazes, and discuss the finer points of what makes a pinhole a pinhole. 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. Today's episode is brought to you by Cornell Studio Supply and Ceramic Materials Workshop Consulting. This week's episode features the following topics: Pin holing, metallic oxides, bronze glazes, cobalt crystalline glazes, crystalline glaze | — | ||||||
| 6/20/25 | Can you adjust a cone 6 glaze up to cone 10? | Have you ever found the perfect glaze, but it is formulated for a different temperature? Today the gang talk about adjusting glazes from cone 6 up to cone 10, and how you might tell if your kiln can handle going to cone 10. They also start the episode checking in about their summer plans. 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. Today's episode is brought to you by Cornell Studio Supply and Ceramic Materials Workshop Consulting. This week's episode features the following topics: Cone 6, Cone 10, Bristol glaze, kiln, elements | — | ||||||
| 6/11/25 | Does how tight a kiln is packed affect its final temperature? | Have you noticed how a tight kiln pack can slightly change your cones? In this week's episode the gang talk about why this happens, as well as answer a listener's question about firing a balloon inside of a ceramic sculpture. 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. This episode is made in memory of Megan Whetstine, a beloved member of the For Flux Sake and Ceramic Materials Workshop family. Her sense of humor and creativity will be deeply missed. This week's episode features the following topics: Mentorship, kiln packing, cones, balloon, carbon Today's episode is brought to you by Cornell Studio Supply and Ceramic Materials Workshop Consulting. | — | ||||||
| 6/5/25 | What does vinegar do to clay? | Have you ever wondered why vinegar is added to joining slip? This week on the show the gang talk about the use of vinegar in the studio and the absorption rates of blending reclaimed clays. They also answer a listener's question about glazing terracotta flower pots. 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. This week's episode features the following topics: Vinegar, Vitrification, reclaim, absorption, terracotta flowerpots Today's episode is brought to you by Cornell Studio Supply and Ceramic Materials Workshop Consulting. | — | ||||||
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Chart Positions
17 placements across 16 markets.
Chart Positions
17 placements across 16 markets.