Dipping stoneware glazes cobalt blue these stoneware glazes come in a powdered form and can either be mixed with water as an entire batch or in smaller quantities ideally store all mixed glazes in lidded containers and mix thoroughly prior to every usegenerally dipping glazes are thinner than brush on glazes dip work once or twice for a quality glazed finish lead free and non toxic fires to a gloss finish firing range 1180c 1200c each 34kg tub of powdered glaze makes 45 litres of