Adam Corbridge 10/27/26 Adam Corbridge 10/27/26

Food Safe Isn’t Just “Lead Free” in Pottery

Lead free does not mean food safe. Safety in pottery comes from formulation, full firing, vitrification, glaze fit and testing.

Adam Corbridge 10/22/26 Adam Corbridge 10/22/26

A Firing Schedule That Solves Problems

My cone 10 electric firing schedule, segment by segment, and why each step prevents a specific firing problem.

Adam Corbridge 10/17/26 Adam Corbridge 10/17/26

How to tell pinholing, crawling, shivering and crazing apart, what usually causes each one, and where to start fixing it.

Adam Corbridge 10/13/26 Adam Corbridge 10/13/26

A glaze can look perfect and still fail. Here is how I test for crazing and shivering with water, a marker and time.

Adam Corbridge 10/6/26 Adam Corbridge 10/6/26

Crawling and shivering are not just part of ceramics. One is an application problem and the other is chemistry. Both can be prevented.

Adam Corbridge 10/1/26 Adam Corbridge 10/1/26

An atmospheric kiln controls oxygen as well as heat. Here is what oxidation, reduction and neutral mean, and where salt fits.

Adam Corbridge 9/29/26 Adam Corbridge 9/29/26

Pinholes are gas escaping through glaze that is already sealing. Here are the four usual causes and how to test for each.

Adam Corbridge 9/24/26 Adam Corbridge 9/24/26

Repeatable glaze results start with measurement: specific gravity, dip time, firing schedule and clay body, all written down.