Concord Grape Mayco Fundamentals Underglaze UG-227
Cone 06 oxidation (large photo):Ā Concord Grape will fire matte without addition of a clear glaze. To intensify color or for use on dinnerware, apply clear or matte clear glaze.
Cone 6 oxidation (small photo ā left):Ā No color change. Recommended clear glaze is SW-001 Stoneware Clear.
Cone 10Ā reduction (small image ā right):Ā Color shifts blue and lightens. Recommended clear glaze is SW-001 Stoneware Clear.