A collection of potters’ favorites made easy. Fired in oxidation, they are designed for artists desiring Cone 10 reduction effects without using a reduction gas kiln or firing at high temperatures. Suitable for all AMACO stoneware and porcelain clays. Fire to Cone 5-6. For best results, read labels carefully as some colors require special applications, such as uneven, thin or multiple coats of glaze. All colors are safe for dinnerware when fired to recommended temperatures. Contains no lead or cadmium. Each glaze set is labeled with appropriate health seals. CL glazes have a Cautionary Label: Not for use with grades 6 and below. Visit our Health and Safety page.