6 ms·How often do you clean your sink? How often do you clean your car?by stephencanon 3y agoHow often do you clean your sink? How often do you clean your car?foobarian 3y agoI never clean either ;)piva00 3y agoDon't follow the argument, I don't have a car for almost 10 years but when I did I used to clean it every 4-8 weeks, my kitchen's sink gets cleaned every week at least once.