Ammonium Sulfide 4 ounces

Ammonium Sulfide Solution(NH4)2S. CAS 12135-76-1 is a patina solution that creates rich, deep blue-black finish on bronze, brass, and copper. Produces a striking color that adds an extra layer of complexity and beauty to your metalwork creations.

Apply directly to the metal surface. For long-lasting results, it's essential to seal the patina to prevent discoloration over time.