How Do You Clean A Badly Stained Stainless Steel Sink?
First, if grouts, mortar mix, thinset & sheetrock mud has been dumped down your sink, you might want to remove the p-trap & see if you have a build-up in the bottom. If I catch any of my personnel pouring any of that down a customer’s drain, they clean it out on their time or replace it at their cost. Next, muratic acid (hydrochloric acid) is used to clean grout & mortar from tile & stonework & muratic acid will etch and discolor stainless steel. There are any number of grades of stainless steel & discoloration/staining can vary from mild to severe & possibly cleanable to to no hope scenarios. Finally, many environmental agencies and/or water departments prohibit pouring these substances down the drain. Having said all of that, I would put the contractor on the line for a sink replacement. It was his/her responsibility to deliver a new, undamaged sink to you. The sand & grits in the grouts & mortars will scratch the SS & may not be removable without grinding, with the same being true o
