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Speedball Mid-Fire Glazes, 4oz

Created in collaboration with ceramic artist Nancy Sowder, Speedball Mid-Fire Glaze is available in an array of 30 nature-inspired colors that yield gorgeous mottling effects and a reduction-like look when fired at Cone 5-6 (2205° F–2269° F, 1207° C–1243° C) in an oxidation kiln.

No matter your skill level, you’ll find it easy to achieve dazzling results with a single glaze—or layer multiple colors for nuanced depth and variegated textures. These glazes are lead-free and food-safe, and because they’re fired at mid-range temperatures, they provide a durable finish for dinnerware and other pieces intended for everyday use.

  • Cone 5-6
  • Variety of finishes
  • Lead-free
  • Dinnerware safe

*Results may vary based on individual application methods and firing techniques. We encourage you to create your own test pieces specific to your own practices to create a visual reference highlighting your unique process. We recommend a normal cooling cycle across all colors to ensure consistent results.
*All colors shown are fired on Laguna B-Mix at Cone 6