How To Unclog Toilet Main Line May 2026

Before you call a plumber (and drop $300+), try these 4 steps:

If your toilet backs up into the tub or sinks, or gurgles every time you flush, you might be dealing with a —not just a toilet blockage. how to unclog toilet main line

Look for a white PVC or cast-iron pipe cap with a square knob outside your house, near the bathroom, or in the basement. Pro tip: open it slowly, and have a bucket ready. 🪣 Before you call a plumber (and drop $300+),

You’ve plunged. You’ve prayed. The water’s still rising. 😰 or gurgles every time you flush