Ingredient Amount
Gerstley Borate 30.77
Lithium Carbonate 9.62
Whiting 16.35
Nepheline Syenite 4.81
EPK Kaolin 4.80
Silica 33.65


Apply thinly to medium thin. Can be layered, but you have to be careful of thickness. This glaze brushes very well because of the Gerstley borate and clay content. Stains can be added between 5–15% for color. I fire to cone 04 in oxidation.

This recipe was shared by Patrick Coughlin in the June/July/August 2019 issue of Ceramics Monthly.