Have you ever wondered about that hole near the top of your bathroom sink ... They serve two functions: to prevent an overflow with the drain stopper engaged and to provide an escape route ...

Q: I’m planning to replace my bathroom sink and vanity, and have run into an odd snag. Almost none of the sinks I’ve seen have an overflow tube. When I’ve asked about this, I’ve gotten ...

Illustration: Julia Abbonizio/Getty Images For all the glowing up that happens in front of your bathroom mirror, figuring out how to unclog a bathroom sink ... Seal the overflow hole with your ...