Confirming that the blockage is in the main sewer line, rather than a localized sink trap, is crucial. Signs of a main sewer line blockage include:
Pour 1 cup of baking soda followed by 1 cup of vinegar down the main cleanout. Seal the cap and let it fizz for 30 minutes before flushing with boiling water. 💼 Professional Hydro Jetting: The Ultimate Solution how to unblock sewer pipe
Persistent sewer gas smells near floor drains or plugs. Confirming that the blockage is in the main