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Ingredients

Ingredient Amount
Gerstley Borate 12.50
Whiting 6.30
Custer Feldpsar 77.00
EPK Kaolin 4.20
Add Amount
Red Iron Oxide 7.50
Bentonite 1.00

Instructions

This glaze fires black when thick and amber and glossy when thinner. Great variation in soda and breaks well on surface decoration. Can be a good liner glaze, but may bubble as a liner in a reduction-cooled environment.

This recipe was shared by Samuel Newman in the December 2024 issue of Ceramics Monthly.

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