Sale! Select options CT 3 $15.00 – $1,280.00 CT 3 is a basic white earthenware clay that is smooth, plastic, low fire, and suitable for throwing and sculpture. Ideal for beginners and schools. Commercial Glazes are compatible without crazing. CT 3 is a desired clay in schools across Colorado. Dry clay is also available for an additional $.14/lb at each weight. Please call for ordering.