oh yeah, it does. its just pretty stubborn about it. I have the same sink in my shop, and because there are acids and iron dust in play we get spotting all the

oh yeah, it does. its just pretty stubborn about it. I have the same sink in my shop, and because there are acids and iron dust in play we get spotting all the time. the main thing you need to do with stainless is 'passivate' it by putting it in an acid solution that removes as much of the iron from the surface layer as you can, leaving just the chromium and other alloyed elements. particularly on any welds you may have made.