I was a little nervous to order a black quartz sink.  Since using it for about two months, I LOVE it!!  I do wipe it out at the end of the day, only takes a minute, and it looks so beautiful that I don’t mind at all.  The only aspect that takes a bit to get used to is running cold water when emptying boiling water directly into the sink.  I also dilute boiling water with cold before emptying it just to be extra careful since quartz sinks are sensitive to boiling water from what I’ve read.  Overall I love it!!!