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Ingredients

Ingredient Amount
Gerstley Borate 31.00
Talc 14.00
Custer Feldspar 20.00
EPK Kaolin 5.00
Silica 30.00
Add Amount
Spanish Red iron Oxide 15.00

Instructions

Published in "All About Iron" by John Britt, in the Mar 2011 issue of Ceramics Monthly.