Procraft Silver Oxidizer-16 oz.

Non-corrosive solution can be used to blacken silver or copper when used at full strength. When diluted with water, the action is slowed down so that color can be controlled for all shades of gray. No heating is required, since it works at room temperature.

Shipping Restrictions:

• Ground only via UPS! No air service, No Mail (USPS), No UPS 3 day, 2nd day or next day air allowed. 
• USA only. We cannot ship this outside the United States.