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Ian Currie’s grid method tests 35 related glazes in a single firing by varying silica and alumina across a 5×7 tile. A complete guide to making the grid tile, mixing the glazes by volumetric blending, firing, and reading the results.
Introduction If you’re a ceramic artist looking to experiment with glaze colors, it’s essential to have a solid testing process in place. This guide walks you through the steps to …
A triaxial blend is one of the most powerful glaze testing methods available to studio potters. Where a line blend tests two variables, a triaxial blend tests three simultaneously — …
The Ohaus Triple Beam Balance Scale is a great super accurate scale. This is a manual scale which means that it is a little bit tricky when learning how to …
Vitrification is one of the most important concepts in ceramics — it determines whether your finished piece is food safe, watertight, and durable. Understanding what vitrification is and how it …
Clay shrinks when it dries, gets bisque fired, and again during the glaze firing. Whenever you make a new batch of clay or buy premixed commercial clay you should test …
The most useful thing you can do before building a glaze library is pick two or three reliable base glazes and run every colorant test through them consistently. This gives …
A line blend is one of the most useful glaze testing methods available. It tests how a single variable — a colorant, a flux, an opacifier, or a second glaze …