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The Glaze Files - Lifetime Access
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All Courses, The Glaze Files - Lifetime Access
The Glaze Files - #16 Safety
Course • 20 lessonsExplore ceramic material safety through vanadium, talc, uranium, selenium, barium, and manganese. Learn to separate real toxicity risks from studio myths using chemistry, firing context, and sensible glaze practices.
$40
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All Courses, The Glaze Files - Lifetime Access
The Glaze Files - #15 Firing
Course • 20 lessonsExplore ceramic firing with a focus on consistency over myth. Learn how firing rates, cone temperatures, heat work, dwells, refiring, dark clay bodies, iron decomposition, and quartz inversion shape kiln results.
$40
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All Courses, The Glaze Files - Lifetime Access
The Glaze Files - #14 Application
Course • 22 lessonsLearn how clay bodies influence glaze results through absorption, not chemical contamination. Explore glaze thickness, bisque temperature, water content, and testing methods to control application and improve consistency.
$40
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All Courses, The Glaze Files - Lifetime Access
The Glaze Files - #13 Color
Course • 24 lessonsExplore ceramic glaze stains as stable oxide colorants for predictable color. Learn how bases, cone range, oxide blends, flux and reduction effects, bubbling issues, and cadmium encapsulated stains shape glaze results.
$60
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All Courses, The Glaze Files - Lifetime Access
The Glaze Files - #12 Flaws
Course • 21 lessonsWhy does your glaze craze, crawl, shiver, or pinhole? This 9-lesson module explains the chemistry behind every common glaze flaw, how to tell them apart, and how to actually solve them—not just the diagnoses that never work.
$60
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All Courses, The Glaze Files - Lifetime Access
The Glaze Files - #11 Special Effects
Course • 25 lessonsWhat makes a glaze crystallize, separate, spot, or run like lava? This 13-lesson module unpacks the chemistry behind every major effect glaze—crystalline, oil spot, shino, wood ash, and more—so you can create them on purpose, not by accident.
$60
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All Courses, The Glaze Files - Lifetime Access
The Glaze Files - #10 Temperature
Course • 27 lessonsHow to fire below cone 10. Boron is the key — not a flux but a low-melting glass former — and the Katz boron map tells you how much you need at any cone. Plus frits, the lost Gerstley borate, and Bristol zinc-calcium reactions.
$60
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All Courses, The Glaze Files - Lifetime Access
The Glaze Files - #9 Durability
Course • 21 lessonsWhy "food-safe" and "durable" aren't the same thing. Durability comes down to the flux ratio: 0.3:0.7 wins at every temperature, acids and dishwasher soaps attack glass differently, and boron can never rescue a bad flux ratio. Full stop.
$60
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All Courses, The Glaze Files - Lifetime Access
The Glaze Files - #8 Calculations
Course • 25 lessonsTheory becomes practice: calculate the Unity Molecular Formula by hand and with software, then use it to manipulate real recipes — substituting materials, changing temperature, and moving glazes around Stull's map. Plus why "glaze limits" are garbage
$60
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All Courses, The Glaze Files - Lifetime Access
The Glaze Files - #7: Seger and Stull
Course • 26 lessonsThe theoretical heart of the course: why glazes melt only in the last 100°C, why we fire to a chemical reaction not a temperature, and how Seger's Unity Molecular Formula and Stull's map predict whether any glaze will be glossy, matte, or underfired.
$60
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All Courses, The Glaze Files - Lifetime Access
The Glaze Files - #6 Alkaline Earths
Course • 21 lessonsThe second flux type, and arguably the more important: 70% of a glaze's flux, driving color, texture, and durability. Profiles calcium, magnesium, strontium, barium, and zinc, busts the Whiting-pinhole myth, and gives barium's toxicity honest context
$40
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All Courses, The Glaze Files - Lifetime Access
The Glaze Files - #5 Alkali Metals
Course • 23 lessonsFluxes bring glass formers down to kiln range; every glaze needs two. This covers the first: alkali metals. How fluxing works, why lithium/sodium/potassium are interchangeable, why feldspars are the default, and why soluble carbonates cause trouble.
$40
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All Courses, The Glaze Files - Lifetime Access
The Glaze Files - #4 Glass Formers
Course • 19 lessonsGet hands-on with the powders: silica, alumina, and kaolin. Why we choose cheap, universal, non-soluble materials, why each ingredient serves one purpose, and how kaolin supplies alumina while keeping your glaze suspended in water.
$40
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All Courses, The Glaze Files - Lifetime Access
The Glaze Files - #3 Chemistry
Course • 21 lessonsChemistry is what glazes are. This module tames the periodic table to the 11 elements that matter, builds from atoms and bonding to oxides and molecules, and introduces moles and molecular weight — why you can't swap materials by weight.
$40
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All Courses, The Glaze Files - Lifetime Access
The Glaze Files - #2 Geology
Course • 18 lessonsGlazes start as rocks. This module traces ceramic materials from the Earth's core to your glaze shelf — how minerals form, why silica rules, how feldspar becomes kaolin, and why the same rocks appear worldwide. The geology behind every glaze.
$40