Step 2 · Inspect the Vent Stack: Check for Obstructions

This is the step most people slow down on. Take it one move at a time — there’s no rush, and you can rewind the clip as many times as you need.

Examine your roof's vent stack for debris like leaves, nests, or other blockages that could restrict airflow. A partially or fully blocked vent stack is a common cause of gurgling toilets. Clear any obstructions carefully and check for proper venting.