The dreaded white crumbly foe limescale can wreak havoc on your shower, clogging up the head and ramping up your water bills. It's traditionally tackled with remedies like baking soda and vinegar, but ...

Q: The marble threshold for my shower has reddish marks. How can I remove them? Annapolis, Md. A: Marble can develop reddish marks for a variety of reasons, such as spilled red wine, bacteria or ...