Did you know that if you take Bar Keepers Friend and a wet Scrub Daddy Sponge you can completely transform a dirty, grimy, stained stainless steel sink from this to this? All the buildup on the sink will lift so easily. Did you also know that the same two products will work on a copper sink? Just pour the cleaner, scrub with a wet sponge, and rinse well with water; that copper sink will be sparkling clean. If you take bar keepers friend and steel wool grade #0000, you will have the perfect combo