![]() For a shiny look, you may use polishing paper or pads. Using a lint-free cloth, wipe the surface of the sink until dry. Work with a rag since you won’t be able to soak the whole sink in the solution. Since you are working with a sink, you will need to prepare enough solution to cover the whole surface. Prepare a solution of baking soda and water in advance to stop the darkening process when you have achieved the shade you desire. Start with a small and brief application to experiment with the finish you desire as it can turn copper black. ![]() Liver of sulfur can turn copper dark very quickly and deeply. The easiest way to use liver of sulfur is to buy pre-mixed solutions such as liquid forms.īe sure to ventilate the area well as fumes can be harmful. If you have to mix the solution, follow the instructions according to the label. Once the surface is clean, you are ready to apply the liver of sulfur to start the oxidation process. Step 2: Oxidize Surface with Liver of Sulfur Your fingerprints may contaminate the surface that will cause the metal to resist the patina. Be sure to use gloves and avoid touching the sink. This gets rid of any build-up or debris that may be stuck on the surface. Start by cleaning the sink thoroughly using dish soap or a grease-cutting cleaning solution. When looking for solution to darken copper sink, you can buy this product in gel, liquid, or lump form. Darkening Copper Sink With Liver of SulfurĪnother great method for darkening copper is using liver of sulfur, which looks and smells bad, but works like magic! It is a chemical compound that creates an antique-looking patina on copper and other metals. You may use salt to sprinkle all over and speed up oxidation. When it finishes soaking, do not wipe it clean, instead, let it air dry until all the solution is absorbed. You are looking to let the copper soak in the solution. Let the solution penetrate the copper sink surface for at least 30 minutes. Mix well until all the salt crystals dissolve. Make a solution that contains three parts water, vinegar, and salt. You may use your gloves to rub the surface, ensuring that all baking soda particles are off. Now, it is time to rinse off the baking soda very well. This will remove all excess particles or coating that could be stuck on the surface.Ī good scrub will expose the layer of copper to the oxidizing agent that will darken it. Using steel wool, begin to gently scrub the surface of the sink. Once you wash the sink with soap and wash away all the suds, you will take baking soda and sprinkle it all over the surface. Use a soft sponge, warm water, and your regular dish soap. Then, start by cleaning your copper sink very well, ensuring there are no traces of oil or dirt. Step 1: Clean Copper Thoroughlyįirst, protect your hands with gloves to avoid chemical reactions on your skin. Learning about how the patina on copper forms helps you understand the unique ways you can create different finishes naturally. The distinct shade that copper forms is called patina and it is a result of copper’s reaction with oxygen that creates copper oxide. Step 2: Make Baking Soda Darkening SolutionĬopper changes color over time uniquely to each home and location.Darkening Copper Sink with Brown Patina.Darkening Copper Sink With Green Patina.Step 2: Oxidize Surface with Liver of Sulfur.Darkening Copper Sink With Liver of Sulfur.
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