September 3, 2026

Why Do Some People Put an Upside-Down Glass Over the Kitchen Sink Before Leaving Home?

Once that protective water seal disappears, unwanted odors may begin creeping back into the home.

In some cases, tiny drain insects can also find their way through the opening.

That’s where the upside-down glass comes in.

Why Place a Glass Over the Drain?

By placing a glass directly over the drain opening, homeowners create a temporary physical barrier.

This simple seal helps:

Continue on the next page:
Share on Facebook