Science, Tech, Math › Science How To Make Copper and Brass Cleaner Share Flipboard Email Print Ashley Cooper / Getty Images Science Chemistry Chemistry In Everyday Life Basics Chemical Laws Molecules Periodic Table Projects & Experiments Scientific Method Biochemistry Physical Chemistry Medical Chemistry Famous Chemists Activities for Kids Abbreviations & Acronyms Biology Physics Geology Astronomy Weather & Climate By Anne Marie Helmenstine, Ph.D. Chemistry Expert Ph.D., Biomedical Sciences, University of Tennessee at Knoxville B.A., Physics and Mathematics, Hastings College Dr. Helmenstine holds a Ph.D. in biomedical sciences and is a science writer, educator, and consultant. She has taught science courses at the high school, college, and graduate levels. our editorial process Facebook Facebook Twitter Twitter Anne Marie Helmenstine, Ph.D. Updated July 23, 2018 Use these easy instructions to combine common household ingredients to make your own copper, brass, and bronze cleaner. It only takes minutes. Materials 1/2 c flour1/2 c salt1/2 c powdered detergent3/4 c white vinegar1/4 c lemon juice1/2 c very warm waterbowlspoonmeasuring cupsquart jar with lid Instructions Mix all of the dry ingredients in a bowl.Stir in the liquid ingredients. Mix well.Transfer the cleaning mixture to a glass jar. Close the jar tightly and label it.To use the cleaner, shake a small amount onto a cloth and rub it into the surface of the copper, brass, or bronze object. Use a toothbrush for hard-to-reach areas. Rinse with water and rub dry with a clean cloth.