*FORMULA CHANGE ON THE FOLLOWING CLAYS*
*181, 417, 420, 563, 630*
Deep Firebrick is an opaque, speckled brick red glaze that breaks translucent where thin. This bold, dark red glaze has a strong presence and layers well under or over other Potter's Choice glazes.
Tableware producers must test all finished ware to establish dinnerware status, due to possible variations in firing temperature and contamination.