[Topshop]

I agree with David but the sink is not real stone - it is a composit of ground up stone fragments molded as a filler with plastic resin - you have bleached the color out of the plastic binder. I don't think there is anything you can do to fix this unless there is a chemical engineer out there who knows how to get color into plastic. Sad truth is that if you weren't scammed into believing that is stone you could have bought a perfectly good stainless sink. Do not believe everything you read on a box when picking out a new sink.