How to Connect Bathroom Sink Drain to Plumbing (Step-by-Step Guide)

Replacing a bathroom sink or installing a new one? One of the most crucial—and often intimidating—steps is learning how to connect bathroom sink drain to plumbing. A poorly connected drain leads to leaks, foul odors, and even water damage. Don’t worry—this guide breaks it down into simple, actionable steps anyone can follow, even with zero…