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Have you ever flushed your toilet and heard a strange gurgling sound come out of it? Do you find yourself wondering, Why is my toilet bubbling? For most people, plumbing issues can be a real head-scratcher, and you want to act before it can progress from bubbling to completely blocked or overflowing.

There are some things you can try before hiring professionals.

Is It Just You?

Ask your neighbors if they’re having the same problem. If so, the issue could be related to a community sewer line. Call your local water department so they can send someone to check the sewer line. If they find it is a clog in the sewer, they’ll typically handle repair expenses.

Do You Have a Plunger Handy?

There’s a reason why people immediately think of plungers when dealing with clogged toilets. And that’s because they can help you tackle the issue (most of the time). If you’re dealing with a small blockage, plungers can usually generate the right amount of pressure to get it moving out of the drain like it’s supposed to.

The toilet, sink, and tub in your bathroom all run to a main drain line, so for the plunger to be effective, you should use duct tape to seal the drains for the tub and sink before you start. With the other drains sealed, it will keep the pressure created by the plunger focused on the toilet drain.

Make sure the toilet bowl has water in it and line up the plunger with the hole that drains the toilet. A good minute of steady plunging should remove the blockage. Flush a few times to see if the toilet is still bubbling.

Is Your Vent Clogged?

If after following the first two steps, you’re still asking, why is my toilet bubbling, it’s possible your vent could be clogged. Your toilet’s plumbing works by being having a vent system, typically located on your roof and if there’s debris in the vent, then it can cause bubbling. Clearing the clog requires climbing up and locating the vent on your roof.

Remove the cap from the vent to see if you can spot the clog. It could be something as simple as trapped leaves. Use a garden hose with a forceful setting to spray water down into it which will usually push the clog down the vent into the sewer.


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