Scratched up sink. There has to be a way to fix this, right? : r/HomeMaintenance
How to repair scratches in kitchen sink. I'm not sure what material the sink is made of. : r/howto
Sink Repair | Professional Bath Cracked Sink Restoration
Amazon.com: Scratch Pro Kit for Polishing and Repairing Stainless Steel Sinks, with Diamond Buffing Compounds, Reduce The Appearance of Ugly Scratches and Polish Sink for Factory Fresh Look in No Time :