How Do You Clean Copper With Food Grade Citric Acid?
Citric acid has long been known as an effective, mild cleaning agent for removing tarnish and discoloration from metal. It is especially good at removing discoloration from the surface of copper metals, such as cooking pots and utensils. Food grade citric acid is produced naturally in most citrus fruits such as oranges, lemons, grapefruits and limes. Citric acid is also available for purchase in bulk quantities from food suppliers and restaurant supply companies. Clean the copper item using soap and water to remove as much of the external dirt and debris as possible. Citric acid is great at removing oxidation, but poor as a cleaning solution so you want a clean item to start with. Dry the copper item with a clean towel. Pour a solution of pure lemon juice into a container large enough to place the copper item into. Place 1 to 2 tsp. of plain table salt into the container. Use a spoon to stir the lemon juice well and completely dissolve the table salt. Place the copper item into the lem