You're looking at a 5ml bottle of 'Liver of Sulphur' for darkening silver or copper.Darken your silver with this liver of sulphur fluid, specially formulated to darken your silver with just a few drops in water this handy compact size bottle is perfect for your silver crafting needs.Simply add a few drops of this concentrated liquid to a glass or jar of warm water, stir and immerse your items. After a few seconds, the silver or copper will start to darken. When the desired effect has been reached, remove your items with tongs or similar implement and rinse under running water.For best results use our PMC silver clay, our 6 pack of clean burning fuel tablets and kilns. Caution: Harmful if swallowed or inhaled.Severe irritant. Can produce toxic gas (hydrogen sulphide). Use in well ventilated areas. Take all necessary precautions to avoid contact with skin and eyes. In case of contact with skin or eyes, wash contact area thoroughly with water. If eye irritation persists, see a doctor. If swallowed contact a doctor immediately. Not suitable for children.