If this happens chances are that the vessel sink also drains slowly.
Vessel sink drains slowly how to repair.
Once it has been filled fully unplug the sink and let the hot water drain into the clog.
The air that comes into the drain through the overflow helps water in the sink to drain faster.
Step 1 using baking soda to unclog the mouth of the vessel sink drain the best way is to pour baking soda on the clogged portion of the mouth.
Drainage pipe is clogged and the mouth of the drain is too small when compared to the vessel sink.
If you have identified clogs to be the cause of a slow draining vessel sink you can try removing them by plugging the drain first and then filling the sink with hot water.
The vessel sink drains slowly mainly due to 2 reasons.
Because of its position at the mouth of the drain and the metal tail that extends a couple inches into the pipe the sink.
If a sink is draining slowly and cleaning the drain does not seem to solve the problem it is a good idea to clean the overflow as well.