Here are the top reasons why your plunger isn't doing the job and how to correct them.
Make sure you’re using the correct type. Using a sink plunger on a toilet rarely works because it can’t seal the curved toilet drain. why is my plunger not working
If you hear gurgling sounds in other drains (like the tub or sink) when you flush the toilet, or if plunging yields zero results on multiple fixtures, you likely have a blocked vent. This usually requires professional help to clear the roof vent. Here are the top reasons why your plunger
Not all plungers are the same.