Simply immersing silver or gold products in the liquid will immediately turn them black. Products that are blackened will turn a beautiful black if immersed after being thoroughly cleaned. This is an ideal antiquing solution for silver accessories. Used by a wide range of people, from professionals to beginners. Capacity: 100ml This is different from conventional antiquing solutions. Simply immersing silver or gold products in the liquid will immediately turn them black. Products that are blackened will turn a beautiful black if immersed after being thoroughly cleaned. *Pure gold will not turn black. (Gold that turns black includes K18, K14, K10, etc.) The container has a wide opening, allowing you to directly place rings and other items inside.