Can One Clogged Toilet Affect Another? Exploring the Plumbing Connection

Do you realize that around 2/3 of all homes built in the US each year have two bathrooms? A quarter of homes even has three bathrooms! Can one clogged toilet affect another?

Can One Clogged Toilet Affect Another?
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Bathrooms are after all essential to hygiene which is why they are essential to overall health. In fact, without bathrooms it would be impossible to find a means to get wastewater out of houses. In turn, wastewater is a reservoir for pathogens that cause disease, such as bugs, parasites, as well as viruses.

This means that you’ve got your toilets to be grateful for to ensure that you aren’t in danger.

Can One Clogged Toilet Affect Another?

A clogged toilet that is blocked can be a gruelling experience for the homes of many and is among the most common plumbing issues homeowners will face.

There are a variety of reasons for this problem, ranging from the one clogged toilet up toilets to overflowing pipes. No matter what the issue it is possible to fix blocked toilets with no destruction to your house or costly repair.

Yes! Toilets that are clogged can impact the other clogged toilet, if it’s attached with the drain pipe. Most often, you’ll find drain pipes in pairs, with one per toilet. When clogging happens the water flow is impeded through the pipes. This is able to even out pressure and regulate the flow. The pressure differential results in a siphon effect which could affect the entire system.

The reality is that in most cases, the clogging will go away and relieves the pressure. However, it relies on the root cause of the blockage.

A siphoning effect won’t be likely in the event of a clog in the main drain- pipe, for instance in the main drainpipe.

A toilet that is blocked will most likely cause a problem for another toilet if they are connected by a common drain pipe. Additionally, if one toilet is blocked, it could cause water to enter the U-tube, which causes the other toilets’ to leak through each other.

Can One Clogged Toilet Affect Another? Exploring the Plumbing Connection
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This is due to the fact that an overflow pipe is not able to divide the pipe ways of U-tubes.

An overflow pipe that is capped off might have caused an unintentional siphon effect. If you’ve got a cap on your toilet, you should remove the cap and blockage, in the event that this occurs to you.

The siphon effect will cease and won’t occur again.

It is important to pay focus on the clogs within your house because one obstruction could impact another one in the event that you hook it up on the exact drain.

This could happen by means of a toilet equipped with the overflow shower pipe or 2-toilet with an additional shower drain or bathtub.

What To Do When Both Toilets Are Clogged?

What To DoExplanation
Avoid Flushing The Toilets-It can overflow and flood the toilet.
-It can interrupt the sewage system.

-If you don’t have time to let them unclog, use the plunger that is in your kitchen.
Locate The Blockage-Use a plumbing snake or a floor jack and unclog the pipe.
-Check the visible portions of the pipe to see if there is debris and try to remove it.

-Use a plunger to push the debris back to the main pipe.
-Call a plumber to unclog the toilet.
Plunge The Toilet-Take the plunger and plunge it into the bowl of the toilet.
– If you have a two-piece bathroom, plunge it on both sides.
-If the blockage is still there, plunge it for a few minutes before trying something else.
Call A Plumber-Call a plumber; they will unclog the toilet.
-The plumber can have your toilets clogged in one day or less.

 -They will give you tips on what to do if you clog the toilets and how to prevent it from happening again.

Will A Clogged Toilet Eventually Fix Itself?

It’s based on the type of clog. It could be:

Water Soluble Clogs

If a toilet clog that is composed by water-soluble substances the toilet can eventually be able to function again when the substance dissolves and then ishes away.

The clogs are made consisting of soap, hair, toilet paper, towels and various other things that can be thrown away.

Can One Clogged Toilet Affect Another? Exploring the Plumbing Connection
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Sometimes, the blockage breaks apart by itself toilet paper. In other cases, you might be required to break it by hand using a plunger.

But, the most effective way to get rid of a clog is to flush it out by using ample water. It is important to remove the blockage through the drainto make sure it is removed.

Oil Soluble Clogs

A few clogs are composed out of oil. This could cause a prolonged complications with clogs. The clogs are made up of hair and particles that have accumulated over time; they cannot be flushed by flushing them with water.

Use a different method to clear the blockage.

Boiling water can dissolve some of the toilet clogs in case flushing does not work Try boiling water inside the toilet bowl and see whether this can help.

You can also make use of a chemical degreaser, or drain cleaner to clear the blockage.

The chemicals can be very potent. they should be used only in the last instance when the clog in your toilet is but not dissolving following the use of boiling water, and flushing the toilet.

How Much Does It Cost to Unclog A Main Sewer Line?

The average cost for a professional plumber who is able for a typical sewer cleanout ranges from $150 to $200 in a typical job that requires two people.

Costs can range from $300-$800 or more for repairs that are major or replacement of old pipes filled with tree branches and objects.

Can One Clogged Toilet Affect Another? Exploring the Plumbing Connection
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The price to replace a sewer line is usually between $6000 to $10,000. The cost of other pipe replacements could be upwards of $500,000 to $20,000.

A few other aspects to take into consideration, such as the location and size of your business or home.

In general, if the obstruction occurs in the basement area replacement of smaller diameter roots surrounding the catch basin and around the house will be more affordable than clearing the entire backyard for a cleaning.

The main sewer line in your area could get blocked anywhere starting from the main trap up to the pipe connecting to your house or business.

Trap$175 to $475
Waste Pipe$109 to $214
Vent Stack$101 – $176
Main Sewer line$350 -$650

What Causes Clogged Toilets?

There are many reasons for the clogged toilets.

How to Cleanse Two Clogged Toilets at Once?

There are many ways to clear a toilet

Too Much Toilet PaperToilet paper accumulation with little water to work with will cause a clog.
Grease And Oil-Causes water soluble clogging.
-Removable by using a chemical such as sodium hydroxide to dissolve it.
Foreign Objects-Toys, cotton, and sanitary napkins are all common foreign objects found in toilets.
Debris-Dirt, sand, and leaves cause clogging in the toilet.
Hair-Hair is left in the toilet bowl and will clog the pipes.
Pet Waste-Pet waste, such as a dog or cat waste, will cause a clog.
Flushable Items-Flushable items such as baby wipes, feminine products, and medicines will clog the pipes.
Blockage From Another Toilet-When flushing, the water from the toilet will cause blockage in the pipes, which is why toilet paper is recommended over other items.

1. Use A Plunger

Utilizing a plunger can be done in a matter of minutes. Set the plunger in the toilet snake water, form a sealaround the base and then plunge. It should eliminate any obstructions within the bowl.

2. Use A Plumbing Snake

Place the toilet snake in the main drain, and allow it to travel over the pipe. It will aid in removing any obstructions to the pipes of your toilet.

3. Use A Chemical Cleaner

There are a variety of chemical cleaners at most shops in the plumbing section including Drano. You can pour some cleaners in the toilet, and allow them to sit for a few minutes.

Then then flush the toilet, pushing away any loose material with the chemicals.

3. Use Boiling Water

A lot of people utilize this method as it’s effective all the times. Therefore, pour boiling water down your drain until it begins to disappear, or you can use an electric kettle or a pot of boiling hot water, to dump it through the drain.

This will allow you to clear any obstructions to the drains and toilets.

4. Use an Auger To Snake Through The Drain

An auger is a piece made of wire, which is the ability to coil around a spring-like mechanism, allowing it to retract in place following use. Utilize the auger to snaffle into the drain.

This can be done by moving the spring mechanism to the one one side of your tank by rotating it in such a way that the bottom end is at the top, the drive it into the drain.

This can help loosen the toilet clogs that have formed within your toilet’s pipes slow drains as well as the drain.

5. Call A Plumber

If none of the previous methods work, contact the plumber who can help get rid of the blockage in both your toilets.

Why Are Both My Toilets Backing Up?

Can One Clogged Toilet Affect Another? Exploring the Plumbing Connection
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1. Drain Line Blockage

Blockage in the sewer in line means that the toilet won’t flush correctly because water isn’t able to go.

The most common causes for obstructions to drain lines stem from tree roots that are impacted by an event or the accumulation of sludge within pipes. The result is that your toilets to stop flowing.

2. Low Water Pressure

It is possible that water will not make it to the bowl of your toilet trap in a timely manner when your toilets are equipped with the lowest pressure. This is especially the case for toilets that have lower level of water in the bowl.

Therefore, flushing your toilet will not be effective, leading to the toilet leaking into the toilet trap dirt.

3. Broken Flush Valve

If you damage the valve for flushing it will cause water to not drain line into the tank and the tank overflows causing the toilet to overflow. The sign of a damaged flush valve is leakage in the tank or a flapper which isn’t able to stay closed.

4. Blocked Overflow Pipe

If the pipeline between the tank and the bowl gets filled with debris like kinks, the pipe cannot drain water out of the tank in a timely manner. The result is a back-up inside your toilet bowl that causes water to spill onto the floor.

5. Leaky Toilet

If your toilet has a leak it will let water soak into your basement or flooring and result in a backup of the toilet bowl. It can also lead to developing mold on your floors.

6. Old Toilets

If your toilet is old with seals that are worn out that has deteriorated, this could make the water drain slow, which causes that the water back inside the toilet bowl, and then spill out onto the floor.

Why Did One Toilet Regularly Clog, And Now Another One?

Can One Clogged Toilet Affect Another? Exploring the Plumbing Connection
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1. Sewer Line Blockage

The blockage of the sewer drain line was reason for the first toilet blockage. The accumulation of waste and other gunk might have led to an obstruction within the system, causing some pipes to go back into a toilet.

2. Debris Blocking the Flapper

The obstruction of the sewer line was the reason of the initial toilet obstruction. The accumulation of gunk, waste, and even other debris could have caused obstructions within the sewer line system, which caused some pipes to return into the toilet.

3. Flapper Stuck in The Closed Position

If the plunger you are using does not function, your flapper could remain in a closed position. This is because soap, toothpaste or some other debris may be causing the flapper to become stuck.

There is a need to scrub off the trash out of the bathroom’s entire plumbing system.

The final step is closing the toilet off and taking out its internal components in order to remove the debris that could be clogged material or creating a blockage elsewhere.

4. Low Water Pressure

If water pressure is extremely low at the beginning the toilet will be less likely to be able to flush efficiently.

Pressure in the water, or lack of it, may contribute to the other scenario, as pressure can be affected by the quantity of water flowing. A water meter that is not working properly could result in this.

5. Toilet Overhaul

It could be that you have modified it to a degree which makes it impossible to effectively flush properly. It could be the result of installing of new fill valves or tanks you must put in the correct way.

6. Plumbing Problems

A toilet that is too small the toilet could cause a blockage, which is a problem homeowners face in the process of installing fiberglass and different types of toilets clogged in locations where earlier models were placed.

The balloon knot could also result in it. This is unusual as balloon knots do not typically occur in pipes for plumbing except if they were recently repaired with fresh installments.

Can Bleach Unclog A Toilet?

Yes! While it’s not the ideal method of cleaning your toilet clog, it is possible to might try using bleach to clean your toilet.

Bleach is a corrosive chemical with properties that assist in breaking down obstructions however, they work only in the presence of acid.

Using Bleach to Unclog a Toilet:

  1. Clean the toilet, and then put 1/8 cup bleach in the bowl. It should rest for about 10 minutes.
  2. Pour 2 quarts of warm water into the bowl, then wash. If that doesn’t succeed, repeat steps 1-2 times more.
  3. The toilet should be flushed, then leave it in place for approximately 20 minutes.
  4. Remove any obstructions using a toothbrush.
  5. Examine your toilet to determine the extent to which you’ve cleared your toilet.

While bleaching the toilet is quick and efficient, it could be hazardous if you are aware of the proper way to utilize it.

The bleach could burn your skin and cause irritation to the eyes. Be aware that you should only use one eighth cup at a go because too much can result in the clog dissolving in the bowl.

Then, bleach can be ineffective for removing hair from the toilet Therefore, you’ll require a couple of further steps in order to cleanse your toilet.

What Chemicals Do Plumbers Use to Unclog Toilets?

Sodium Hydroxide (Caustic Soda)Highly soluble in water, allowing it to easily flow through pipes and reach areas that clogs may block.

Highly alkaline allowing immediate dissolving of grease and fats.
Hydrochloric Acid (Muriatic Acid)Highly soluble in water, allow it to easily mix with water to create an effective cleaning solution for pipes and other plumbing fixtures.

Affordable and relatively inexpensive, making it a cost-effective option for many plumbing applications.
Copper Sulfate and Sodium Hydroxide (Blue Dye and Caustic Soda)Highly soluble and acidic, which allows cleaning action to reach the clog and dissolve the debris causing the blockage.

Non-caustic formula is safe for plastic and most metal plumbing fixtures.
Xylene (Toluene)Extremely effective for dissolving mineral and grease deposits in pipes, tanks, systems, and fixtures due to its ability to dissolve and suspend fats, greases, and waxes.

Ideal for commercial applications where regular disinfectants are unsuitable or do not provide the desired effect.
Potassium PermanganateBoasts solid oxidizing properties that allow it to dissolve and break down grease and mineral deposits in pipes.

Keeps fungus at bay and prevents bacteria from flourishing in tanks, pipes, and systems


Toilets that are blocked with a blockage is among the most frequent plumbing issues that can be encountered.

This article offers a variety of methods to unclog in your bathroom I’m sure that it will provide you with the necessary information to clear any obstructions.

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