Do you have brown stains in your stainless steel sink? You can get these stains out using a paste of dish liquid and baking soda. Rub with the grain of your sink and the stain will go away fast!
New sinks and back splashes that are made of stainless will keep better longer, without scratches using two products called 'bar keepers friend' and 'zud'. These are two powders which are strong on getting rid of stains but yet don't scratch the stainless leaving you with a great shine!