Ingredient Amount
Whiting 22.10
Custer Feldspar 60.12
EPK Kaolin 17.78
Add Amount
Zinc Oxide 6.50
Red Iron Oxide 5.40
Rutile 10.92


This is a runny underglaze. I fire it to cone 10 in reduction in a gas kiln. 

This recipe was shared by Mark Cortright in the October 2021 issue of Ceramics Monthly.