PCF-21 Ocean DriftPCF 21 Ocean Drift is a calming blue color, interspersed with fine, dark speckles that add texture and visual interest. Great for layering with other glazes as a base or top coat. Beautiful on any color of clay. Good at cone 5, more fluid at cone 6. Shake well before use. Thin with water and AMACO Gum Solution if needed. Apply 3 even coats of glaze to Cone 04 bisque. (Let the glaze dry between coats.) Glaze fire to Cone 5 6.