A Clear Glaze 271D is popular glaze that fits Macs White, Primo PW20, Primo Low Fire Porcelain and other pure white clays and also Primo Red Brown Terracotta and Macs Red and most terracotta clays . Firing range is 1080- 1200+

Another clear glaze is available that works well on some stoneware clays such as Potters Clay White, Macs Whitestone, and Keane stoneware 33. Firing Range 1200 - 1300.