Why Is My Bathtub Draining Slowly? Fix It Safely

A bathtub drains slowly because hair, soap residue, scale, a misadjusted stopper, or a deeper waste-line obstruction narrows the path for water. A slow tub drain can also result from a blocked plumbing vent when nearby fixtures gurgle or drain poorly. The fastest safe diagnosis starts with the stopper, overflow opening, and visible drain debris. […]