Quick Tips to Fix Bubbles in Toilet Bowl in 2023

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Are you tired of hearing strange gurgling noises and seeing “bubbles in the toilet bowl”? You’re not alone. Toilet bubbling is a common issue that many homeowners face. In this blog post, we’ll share insightful tips and DIY solutions to help you fix bubbling toilets and maintain a well-functioning bathroom, all related to the issue of bubbles in the toilet bowl. Let’s dive in!

Key Takeaways

  • Toilet bubbling is usually caused by blockages in drain pipes, clogged toilets, blocked vent stacks and negative air pressure.
  • DIY fixes include using a plunger, sewer snake or clearing the vent stack. It may be necessary to call a professional plumber for diagnosis and resolution of main sewer line issues.
  • Proper waste disposal practices and regular maintenance can help prevent toilet bubbling from occurring.

Bubbling Toilet: Understanding the Problem

Toilet bubbles are often caused by negative air pressure in the drain pipes due to blockages. While it might seem like a minor annoyance, a bubbling toilet can indicate more serious underlying issues. Clogged drain lines and mainline blockages are likely the culprits behind negative air pressure and toilet bubbles.

If your toilet is gurgling, it might be signaling a clogged drain line. A malfunctioning cistern or a faulty flapper could also be responsible for toilet bubbles, and in such cases, it is recommended to replace the entire cistern or the flapper, respectively.

Quick Tips to Fix Bubbles in Toilet Bowl in 2023

Common Causes of Toilet Bubbling

There are various factors that can lead to a bubbling toilet, such as clogged toilets, blocked vent stacks, and negative air pressure.

The subsequent sections delve into these causes in detail, assisting you in pinpointing and tackling the problem at its source.

Bubbles in Toilet

Have you ever wondered about the significance of bubbles in your toilet bowl? “Bubbles in toilet” may seem like an ordinary occurrence, but they can actually provide valuable insights into the health and functionality of your plumbing system. When you notice bubbles forming in the water after flushing, it could be indicative of several underlying issues. These bubbles may be caused by trapped air, a clog in the drain, or problems with the sewer line. Understanding the reasons behind bubbles in your toilet can help you diagnose and address potential plumbing problems before they escalate into more significant and costly issues. In this article, we will explore the various causes of bubbles in the toilet and what actions you can take to resolve them.

Clogged Toilet

Excessive toilet paper use and foreign objects like toys are known to cause blockages and clogged toilets. Even small items, such as:

  • paper shreds
  • cotton balls
  • dental floss
  • wet wipes

Items can become lodged in the toilet bowl and cause blockages, affecting the drain hole.

You can keep your toilet from clogging by refraining from overloading it with toilet paper and items that should not be flushed. Regularly educate your household members, especially children, on proper waste disposal to minimize the risk of clogs.

Blocked Vent Stack

A blocked vent stack can create negative pressure in your plumbing system, resulting in toilet bubbling due to a drain line blockage. The vent stack may become clogged due to the accumulation of leaves, debris, or even a small animal carcass lodged in the pipe.

Blocked vent stacks may result in negative pressure, slow drainage, and foul sewer smells. Maintaining a clear and obstruction-free vent stack is critical for your toilet’s drain hole to function correctly.

Toilet Bubbles When Tub Drains

If you've noticed that your toilet bubbles when tub drains, you're not alone. This common plumbing issue can be caused by a few different factors. When water flows down your tub drain, it creates a vacuum effect in your plumbing system. If there's a blockage or restriction in the pipes, air may be pulled in through the toilet's P-trap, leading to those noticeable bubbles. To address this problem, it's important to first identify the root cause. It could be due to a clog in the main drain, venting issues, or even problems with your septic system.

Negative Air Pressure

Negative air pressure is a phenomenon where air is forced back through the sewer drains and into the toilet, often caused by a drain line blockage. This pressure can contribute to toilet bubbles, which can indicate drain system issues, such as problems with the drain hole.

Negative air pressure can be remedied by checking and clearing the vent stack, utilizing a plunger, or using a sewer snake. If these methods are unsuccessful, it may be necessary to call a plumber to help address the issue.

DIY Fixes for a Bubbling Toilet

 A person using a plunger to unclog a toilet

Having discussed the usual causes of toilet bubbling, we’ll now introduce some straightforward home remedies for the problem.

These solutions involve the use of a plunger, a sewer snake, and the inspection and clearance of the vent stack.

Using a Plunger

A plunger is an essential tool for resolving light-to-moderate clogs causing toilet bubbles. Before plunging, seal off the drains in nearby sinks, showers, and tubs with duct tape to ensure pressure is not released through other drain fixtures.

Position the plunger over the drain hole and execute 10 to 15 vigorous pumping movements to remove the clog. If the clog is stubborn, you may need to repeat the process a few times until the drain clears and water flows freely.

Employing a Sewer Snake

A sewer snake being used to clear bubbles in toilet bowl

A sewer snake, also known as a plumber’s snake or auger, is a tool used to remove stubborn clogs from the toilet drainpipe. For deeper clogs that cannot be cleared with a plunger, a sewer snake can reach further down the drain system and break up the blockage.

When using a sewer snake, follow these steps:

  1. Feed the end of the device into the toilet drain, turning the handle clockwise while pushing the snake deeper into the pipe.
  2. When you feel resistance, continue rotating the handle to break up the clog.
  3. Once the clog is cleared, retract the snake.
  4. Flush the toilet to ensure the drain is free-flowing.

Checking and Clearing the Vent Stack

A thorough examination and clearance of the vent stack could be a solution to the toilet bubbling problem. If you suspect a blocked vent stack, start by climbing your roof to access the vent pipe. If the blockage is visible and within reach, clear the obstruction manually.

For deeper clogs, try running water from a garden hose into the vent stack to dislodge the obstruction and wash it down the pipe and out through the sewer.

If you’re unable to clear the vent stack yourself, it’s best to call a professional plumber for assistance.

When to Call a Professional Plumber

Should the above DIY solutions fail or if you suspect issues with the main sewer line, it’s advisable to bring in a professional plumber. A plumber can help address persistent toilet bubbling and main sewer line problems such as a clogged municipal sewer line, blocked vent stack, or negative air pressure.

Disregarding a malfunctioning or collapsed sewer main can result in wastewater backup into bathroom fixtures or neighboring drains, leading to additional damage and expensive repair costs. When in doubt, it’s best to consult a professional plumber to diagnose and resolve the issue.

Toilet Making Noise Every Few Minutes

If you've noticed your toilet making noise every few minutes, it's essential to address the issue promptly. This recurrent disturbance can be a sign of an underlying problem that, if left unattended, may lead to water wastage and potential damage to your plumbing system. The most common culprit behind such disturbances is a running toilet, typically caused by a faulty flapper valve or a malfunctioning fill valve. Fortunately, diagnosing and resolving these issues is often straightforward and can save you from both the annoyance of the constant noise and the unnecessary increase in your water bill. Be sure to inspect your toilet promptly to identify and rectify the source of the disturbance, ensuring peace and efficiency in your bathroom.

Tips for Preventing Toilet Bubbles

A person inspecting a vent stack for a blocked drain line

Preventing toilet bubbles involves correct waste disposal and consistent upkeep of bathroom fixtures. Refrain from flushing excessive amounts of toilet paper, non-flushable objects, and other items that can cause clogs in the drain system.

Moreover, regular inspection of your vent stack for debris or blockages and keeping it clear is crucial for maintaining the correct air pressure in your plumbing system. Adhering to these guidelines can help keep your bathroom functioning optimally and free from toilet bubbling.


In conclusion, toilet bubbling can be caused by a variety of factors, including clogged toilets, blocked vent stacks, and negative air pressure. Understanding the cause of the issue and applying appropriate DIY fixes or calling a professional plumber when necessary can help resolve the problem and maintain a well-functioning bathroom. By following the tips shared in this blog post, you can prevent toilet bubbles and enjoy a peaceful, bubble-free bathroom experience.

Frequently Asked Questions

What causes bubbles in toilet bowl?

If your drain is blocked, it can cause air bubbles to form in the pipes and rise to the surface of the toilet bowl, resulting in bubbling.

This can be caused by a clogged sewer line, a blocked vent pipe, or excess waste buildup.

How do I get rid of air bubbles in my toilet?

To get rid of air bubbles in your toilet, open the filler valve at the back and wait five minutes while it drains.

Then refill it and the gas should be gone.

What is the white foamy stuff in my toilet?

Seeing white foamy stuff in your toilet may be a sign of chemicals from cleaning products or excess fat in the stool, but it could also be a warning sign of kidney disease.

If you experience persistently foamy urine, it is important to consult with your doctor.

Why are there air bubbles in my toilet tank?

The main reason you’re seeing air bubbles in your toilet tank is due to a lack of airflow in the sewer line, potentially caused by a clog or blocked vent pipe.

When water can’t move freely through the pipes, it causes air bubbles to form, which then rise to the surface and result in bubbling in the toilet bowl.

How can I fix a clogged toilet causing bubbles?

Use a plunger or a sewer snake to dislodge the clog, and your bubbles should be gone in no time.

Ryan Copley

Ryan Copley

Having spent years participating in bathroom, kitchen, and home renovations, Ryan uses this experience to write informative blog posts on a wide variety of home renovation and kitchen topics.

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