Why is my downstairs toilet bubbling when I flush the upstairs toilet?

Your problem is the distance the water/waste is falling. To eliminate the bubbling a vent would need to be added or an up flow valve after the basement toilet prior to entering the main line. Up flow valves are like a check valve to prevent lower floors from having this problem.

Why does one toilet bubble when another is flushed?





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.

Can a gurgling toilet fix itself?

Can a Gurgling Toilet Fix Itself? It is possible the gurgling sounds go away on their own if the drain clog clears itself or you remove any debris from the vent stacks on the roof. If the issue lies in your main sewer line, you’ll need the help of professional plumbers.

How do you stop a toilet from bubbling?

You may not notice a partial clog, however, until you’re alerted by toilet gurgling and complaining. For a DIY fix, plug all bathroom drains (sink, shower, etc.) and plunge the toilet with a flange or accordion-shaped plunger. If this doesn’t work, try clearing it with an auger (drain snake).

How do you unclog a main sewer line?

Hot Water to Loosen Sticking Debris



Allow hot water to run through your plumbing system for at least five to 10 minutes. The hot water helps to loosen debris such as deposited grease, oils, or any coatings on the walls of the drains. Doing this several times might best and easiest way to unclog that main sewer line.

How do you remove air from toilet pipes?





Start with the faucet that’s closest to the shutoff valve and work your way to the farthest faucet. Open each hot and cold faucet about halfway to let the air run out. Remember to flush all the water out of the toilets, too.

How do I know if my plumbing vent 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.


How do I know if my sewer line is clogged?

If you notice that water backs up in random places as you’re using water fixtures, you likely have a blockage in the main sewer line. Two common examples of this include: When you flush your toilet, water backs up into the bathtub/shower. When you run your washing machine, sinks or toilets start to overflow.

Can I unclog a sewer line myself?



It is possible to unclog drains yourself, but it can lead to more problems. Therefore, it is a good idea to call a professional plumber. A professional drain contractor can inspect your system and clean it.

What is the best chemical to unclog a sewer line?

Best Overall Drain Cleaner: Drano Max Gel Liquid Clog Remover. Best Drain Cleaner for Hair Clogs: Liquid Plumr Clog Destroyer + Hair Clog Eliminator. Best Single-Use Drain Cleaner: Green Gobbler Drain Opening Pacs. Best Enzymatic Drain Cleaner: Bio Clean.

How do you unclog a main drain without a snake?

How to Unclog a Main Sewer Line Without a Snake

  1. Step 1 – Run Hot Water.
  2. Step 2 – Use a Chemical Drain Cleaner.
  3. Step 3 – Apply the Plunger.
  4. Another Way – High-Pressure Water.
  5. If Water Goes Through It Or To It, We Do It!



How do you fix a gurgling toilet UK?

If your toilet is blocked, try clearing it with a plunger. The act of plunging a toilet up and down creates a strong suction with force strong enough to remove the clog and successfully clear the blockage.

Why is my toilet bubbling septic?

Your pipes may begin to make gurgling noises. The noise will become audible when you run the water or flush the toilet. This is a sign that the tank is full and needs to be pumped. The gurgling results from the septic tank being too full of solids and not being able to function properly.

How do you use a plumbers snake in the toilet?


Quote from Youtube video: Or you could do it as your twist thing it so you could twist it and push the back and forth simultaneously clearing the clog now you might have to do this for 10 or 15 minutes.

What is a toilet vent?



Quote from the video:
Quote from Youtube video: So when the toilets flushed drainage flows this way as it does air starts getting sucked and pulled from this vent this vent keeps the air pressure balanced. And allows the toilet to drain properly.

How do you tell 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.


Where is p-trap located?

The P-trap is the P-shaped section of pipe in the line that runs from the bottom of your sink to the wall. It’s shaped this way to trap sewer gasses and prevent them from coming out the sink as well as to catch debris that’s been washed down the sink, such as hair or food scraps.

Where is my plumbing vent located?



You can find your plumbing vent on your roof line. It will look like a vertical pipe running through the roof. The vent pipe works hand in hand with the drainage pipes.

Do plumbing vents have to go through the roof?

It does not have to go through the roof. From the plumbing code (I have the 2003 edition), P3103: It must not be less than 4 feet directly beneath a door, openable window or other air intake of the building or adjacent building.

What happens if you don’t vent a toilet?

If the drain lines in your home have poor venting (as in Figure A, for example), water rushing down the drains will pull water from nearby P-traps. The drain in the toilet bowl is basically a P-trap.