Here’s why you should always leave an upturned glass and a piece of paper in the sink before going on vacation

through the pipes.

Fortunately, there’s a simple, free trick to prevent this: cover the drain with a paper towel and place an upside-down glass over it. This creates a barrier that helps block gases, insects, and odors.

Unlike standard sink stoppers—which can shift, warp, or lose their seal over time—this method is more reliable, especially for longer absences. The glass doesn’t need suction or a perfect fit, and it won’t move around easily.

Here’s how to prep your sink before you leave:

1. Clean the sink thoroughly.
2. Pour hot white vinegar