Water dripping or pooling under the sink doesnt necessarily mean you need a plumber.
13+ Bathroom Sink Leaking Underneath Background. Bathroom sink leaks are usually caused by a bad drain pipe, a loose pipe connection or a leaky sink drain flange. Now you have a bathroom sink leaking from underneath the drain because the rubber drain gasket underneath the basin cannot fill all the imperfections along the rim of the sink's flawed drain hole opening.
Help - My Bathroom Sink is Leaking!!! - One Brown Mom from 3.bp.blogspot.com
We thought it would be a simple fix, and all it needed was to be tightened. This post will discuss common plumbing problems that can cause a leak underneath your sink. In my apartment, it's the bathroom sink that does all the leaking, but if my kitchen sink decides to join in on the fun, i'll know exactly what to do!
I can't see anything when i look.
This will catch any backed up water or debris that may fall out before you celebrate your handiwork, check under the sink while the water's running to make sure there isn't any leaking from the pipes. It is leaking alot of water out of the pipes. Make sure you remove anything from under the sink before you start working. Now you see that plumbing is an art.