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Ingredients

Ingredient Amount
Dolomite 9.95
Gerstley Borate 8.86
Talc 11.40
Whiting 7.56
Custer Feldspar 28.87
Spodumene 3.15
EPK Kaolin 8.22
Silica 21.99
Add Amount
Tin Oxide 0.87
Zircopax 8.49
Bentonite 2.12
Copper Carbonate 6.19

Instructions


This is a cone-11 glaze that likes a 10-minute soak at the end of the firing and works best with a slow cool. It turns out equally well in reduction or oxidation. I have an electric kiln that I'll use to fire the glaze to cone 11 and it comes out beautifully. The glaze looks really clean on porcelain, but I also use it on a grogged stoneware with tiny specks of iron with nice results. It doesn't run very much, so it can be applied pretty thick. I always pour my glazes to get the bit of drip on the outside.

This recipe was shared by Connor McGinn in the December 2019 issue of Ceramics Monthly.