Lead free brush on earthenware glazes mahoganysafe and ready to use these prepared glazes are lead free and non toxic making them ideal for classroom use and suitable for work intended for dinnerware these smooth and creamy opaque glazes have a wonderfully diverse colour range to inspire any ceramicist they are supplied in a wide necked jar to enable the glazes to be mixed thoroughly prior to use to ensure vibrant results glazes can be brushed on or watered down for spraying techniques be