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 antiquing solution perfect for blackening silver accessories. Used by a wide range of people, from professionals to beginners. Capacity: 100ml This is a different kind of antiquing solution. 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 mouth of the container is made large, so you can directly put rings, etc., into it.