Ingredients

Ingredient Amount
Gillespie Borate 30.00
Ferro Frit 3195 30.00
Nepheline Syenite 20.00
EPK Kaolin 10.00
Silica (325 Mesh) 10.00
Add Amount
Copper Carbonate 5.00
Iron Oxide 5.00
Rutile 8.00
Burnt Umber 5.00
Stain 5.00

Instructions


I mix this clear glaze recipe in 10,000-gram batches to fill a 5-gallon bucket. This glaze fires from cone 04–6, depending on clay type used. I fire to a hot cone 2, barely bending cone 3. This temperature works well for layering glazes to achieve the runny glaze drips I desire.

For Green add: 5–8% Copper Carbonate

For Light Brown add: 5–10% Iron Oxide

For Green Ocean Spray add: 8% Copper Carbonate and 8% Rutile

For Amber add: 5–10% Burnt Umber

For other glaze colors add: 5–20% stain

This recipe was shared by Nathan Bray in the September/October 2019 issue of Pottery Making Illustrated.

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