The cause of your toilet gurgling is a blocked line somewhere. A clog is creating negative air pressure, Instead of air flowing through the lines,the air pushes back and causes the gurgling sound. Sometimes, you’ll also see the toilet water bubble.

How do I get rid of an airlock in my toilet?

Taps will sputter as the pipes fill and water flows. Allow taps and showers to run until there’s no more sputtering and waters flowing freely through every tap/shower. Flush all toilets a few times. Turn off all taps and showers; the airlock should be removed, repeat again if you feel there’s still air in the pipes.

What causes air to bubble up in a toilet?





When water can’t go down your drain as quickly as it needs to, then bubbles will sometimes form in air pockets or gaps in the pipe behind the drain clog, When these air gaps fill with water or liquid going down the drain, bubbles go back up the drain line, leading to the bubbling you see in your toilet.

Can Air clog a toilet?

The buildup of negative air pressure is caused by a clog in one of two areas: somewhere in the drain system, which could be close to the toilet or farther down the main sewer line that connects to your community’s sewer system, or in your home’s vent stack (the pipe that allows sewer gases to escape through the roof).

Why does one toilet bubble when I flush the toilet?

A clogged mainline (contact us!)

The mainline leads all the wastewater from your home’s fixtures to your city connection. If the clog affects your entire house, such as a one toilet flushing causes another to bubble, then the issue is likely the main. The mainline can be the cause of toilet bubbling.

What chemical will unclog a toilet?





The baking soda and vinegar create a chemical process that help to dissolve clogs. Distilled white vinegar is commonly used, but any type of vinegar will work. The mixture will fizz a great deal. If you don’t have baking soda and vinegar on hand, try adding a few squirts of dish soap to the toilet bowl.

How do you know if your vent pipe is clogged?

How to Tell if Your Plumbing Vent is Clogged

  1. A Primer on Plumbing Vents. …
  2. Water Takes A Long Time to Drain. …
  3. Dry and Empty Toilet Tanks. …
  4. Foul Smells. …
  5. Gurgling or “Glugging” Sounds as Water Goes Down the Drain. …
  6. Get Those Clogs Out of Your Plumbing Vent ASAP.

Can I pour drain cleaner down vent pipe?

You should not pour drain cleaner down a vent pipe.

How much does it cost to unclog a vent pipe?



Plumbers cost $75 to $550 to unclog a drain, depending on the hourly rates, accessibility, severity, and cause of blockage. Most plumbers offer flat rates on basic drain cleaning, while unclogging severe drains is billed at $45 to $150 per hour plus parts.
Plumber Cost To Unclog Drain.

National Average Cost $216
Average Range $100 to $275

Can I pour water down my vent pipe?

So can you pour hot water down the sewer vent- Simply YES. You can. Hot water is the best solution for those who live in areas where the temperature is below freezing or where snowfall causes clogs in the vent pipe. Just pouring the hot water can help to melt the ice present inside the sewer vent stack.