Bathroom Sink With Side Drain. Measure a half cup of baking soda and pour it in the bathroom sink drain. Let the bathroom door remain closed for one hour to allow the reaction to take place with no interference. Undo the knob and you should be able to pull the lever out of the drain.
The standard size and setting. Remove your existing drain by loosening the slip nuts holding it place and lifting it out from the top side of the sink.
At that point you can lift the plunger out.
At that point you can lift the plunger out. Does your sink have a pop up drain. In this episode of repair and replace stephany shows how to replace a drain in a bathroom sink. The standard size and setting.