Ingredient Amount
Gerstely Borate 14.56
Whiting 11.07
Custer Feldspar 23.43
Kona F-4 Feldspar* 23.43
EPK Kaolin 2.88
silica 24.63
Add Amount
Copper Carbonate 0.60
Red Iron Oxide 1.00
tin-oxide 1.00


This recipe should be mixed slightly thinner (toward skim-milk consistency). Can be a runny glaze, especially when it’s applied thick. Needs reduction atmosphere in the firing to achieve the red color. *Substitute Minspar 200 feldspar for the Kona F-4 feldspar. 


This recipe was shared by Matthew Eames in the October 2022 issue of Ceramics Monthly.