Different farmhouse sink materials benefit from different styles of cleaning. For stainless steel, rinse and dry the sink after each use, and regularly clean it with soap and a soft cloth. Avoid using abrasive cleaners or scourers. For fireclay, regularly clean with a mild kitchen or all-purpose cleaner, and dry the sink to prevent water spots. You can use mild abrasive cleaners for tough dirt if needed. For cast iron and copper, rinse and dry the sink after every use. For a deeper clean, use soft cloths and dish soap — never scour or use abrasive cleaner. For stone, clean the sink with mild cleaner only, avoiding harsh chemicals and abrasive cleaners. ;