That's probably down to hard water. The faucet or shower head that inexplicably ... polish before serving drinks to guests ...

Picture someone emerging from a bathroom stall, and turning on the faucet with dirty hands ... thanks in part to accumulations of water that become breeding grounds for tiny organisms.

Some advice online says the answer is to just let your faucets drip. If there are freezing temperatures outside, the American Red Cross says you should let cold water drip from faucets.

Drinking water from nearly half of U.S. faucets likely contains “forever chemicals” that may cause cancer and other health problems, according to a government study released Wednesday.