Mayco Pottery Cascade Glaze - PC601 - Clear Cascade - 4 Ounce Jar Pottery Cascade are moving, flowing glazes, commonly used under or over other glazes to create reactions and movement. Can be applied randomly or uniformly, brushed or dabbed on with a sponge. Cascades are perfect for the low fire designer seeking to create the looks achieved at higher temperatures. Their variability insures that no two designs will be exactly alike. AP Certified Non Toxic. Food Safe. Made in USA.