
Gabriel Kline and Bill Collins on food safe glazes
From For Flux Sake by Kathy King, Rose Katz, Matt Katz
December 11, 2025 · 44 min · Season 5 · Episode 119
About this episode
Gabriel Kline and Bill Collins discuss food safe glazes and their new book on the topic.
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
People in this episode
Hosts: Kathy King, Rose Katz, Matt Katz
Guests: Gabriel Kline, Bill Collins
Topics covered
- food safety
- glazes
- testing glazes
- cone 6
- cone 10
- leaching
- crazing
Keywords
- food safe glazes
- testing glazes
- cone 6 recipes
- cone 10 recipes
- leaching
- crazing
- shino
- phase separation
Sponsors
Monkey Stuff, The Rosenfield Collection, Cornell Studio Supply, Ceramic Materials Workshop
Mentioned in this episode
Organizations: For Flux Sake
Books & works: Amazing Glaze: Food Safe Recipes
More episodes of For Flux Sake
- What materials should I buy to start mixing glazes? · April 8, 2026 · 31 min
- Is it best to use the medium or fast fire setting on my kiln? · April 1, 2026 · 35 min
- Why are my plates cracking? · March 11, 2026 · 37 min
- What causes carbon coring in clays? · March 4, 2026 · 37 min
- Do I really need to sieve my glazes? · February 11, 2026 · 34 min
- Should I make my own clay? · February 4, 2026 · 39 min
Explore listener stats, chart rankings, contacts and more on the For Flux Sake podcast page.