Great for patina and oxidizing silver and copper jewelry, wire and other components. . May be used in concentrate or diluted in warm water. 1 ounce squeeze bottle. Gel form. Adjust solution mixture Ratio for desired effect and volume of solution. JSP® Patina Gel may be used in its ready form by brushing. Creates a rainbow to black oxidized patina on fine & sterling silver, copper bearing metals including brass, and bronze. 1 fluid ounce container will make twelve 6 ounce (350ml) portions of Dark patina solution