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This glaze is G3933A, the body is Plainsman M390. The one on the right is more matte and has a richer brown color, definitely a nice surface. The left one was fired using the PLC6DS drop-and-hold firing schedule. But the one on the right used the C6DHSC firing schedule, that one adds a slow cool down to 1400F. That gave the iron in the body time to bleed up through the glaze. And it gave the MgO time to do what it does best: Create a pleasant matte surface.

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This is G3933A oatmeal glaze fired at cone 6. But this is how it looks out of my kiln (using the C6DHSC drop-and-hold slow-cool firing schedule). On my clay body, Plainsman M390. At the thickness I have applied it. Using my materials and my method of mixing and application. Of course, having the recipe is the first step for you to make this (tap the code number above to see it). The next step is being able to adjust it. Adjust what? The degree of matteness. What I get here is a combination of the cooling rate (from the already-mentioned firing schedule), and the ratio of matte G2934 and glossy G2926B glazes I use (this is an 85:15 matte:glossy mix) to which I add the iron, tin and rutile. However, in your circumstances, the pure matte may be OK (if there is no cutlery marking). Or it might be too matte and require an increase in the percentage of glossy. Or, you might choose to cool the kiln faster or slow (to get more gloss or matteness).
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