Many stains are instantly noticeable. But while a wine stain on a light-colored carpet or a gravy stain on a white shirt tend to jump out right away, other stains sneak past our radars every day.

If you've noticed yellow spots or water stains on your ceiling, you're not alone. These stains can show up in any room, but they’re especially common in bathrooms. They may look harmless, but they ...

A ceiling stain brought on by a plumbing problem or a roof leak isn’t a calamity. But no one will blame you when you look up at that ugly stain, and exclaim in exasperation: Now what? If the leak hasn ...