: Flushing the toilet causes water to gurgle or rise in the bathtub or shower.

There you have it – a comprehensive guide to unclogging sewer drains. By understanding the causes, signs, and methods of unclogging, you'll be better equipped to tackle this pesky problem and keep your sewer drain flowing freely.

To unclog a main sewer drain, you must first locate the —a capped pipe usually found outside your home or in the basement—which provides direct access to the main line. Quick Troubleshooting

: Use specialized heavy-duty products like Instant Power Main Line Cleaner which are designed to dissolve hair, grease, and paper.