How to clear a clog past the p trap?

Author: Mrs. Aryanna Feeney IV  |  Last update: Wednesday, November 26, 2025

Pour one cup of fresh baking soda down the drain, followed by one cup of white vinegar. Place a rubber stopper or other sink hole cover over the drain opening. Wait 15 minutes to allow the vinegar and baking soda to unclog your drain, Then take out the drain cover and run hot tap water down the drain to clear the clog.

How do you unclog a drain beyond the P-trap?

Kitchen Sink Clogged Past P Trap: How to Fix
  1. Step 1: Baking Soda and White Vinegar. These common pantry items double as superstars of the DIY world. ...
  2. Step 2: Follow Up with Hot Water. Next, run hot (not boiling) water and see if you've conquered that clog. ...
  3. Step 3: Plunge the Sink. ...
  4. Step 4: Unscrew and Clean the Sink's P-Trap.

How to get drain snake past P-trap?

Use a pipe wrench or pliers to loosen and remove the slip bus at the end of the P-trap. Once these are removed, insert the drain snake into the pipe leading into the wall and auger.

How do you unblock a sink past the U bend?

Look under your sink and find the U-bend, it's the first bend in the pipe immediately below the plughole. Put your bucket/dish under the U-bend and carefully unscrew the section of pipe. The U-bend has two sets of threads, one at either end. As you loosen them any backed up water will drain out, so take your time.

Does Drano get past the P-trap?

Do not use any other Drano® product in toilets, as they do not contain microorganisms. Also, the trap configuration in toilets prevents these products from reaching areas where matter can accumulate and cause plumbing problems – so these products are ineffective in toilets.

How to Unclog a Sink -- The Right Way

How to clear a blocked drain with standing water?

First, remove all stagnant water from the sink. Replace it with hot water until it is halfway full, and it generates a seal around your drain. Place the sink plunger over the drain and start pumping up and down swiftly. Remove the plunger, observe if the water flows, and repeat the procedure until water flows freely.

What happens if you leave Drano in the drain too long?

When Drano is left in the drain for too long, it can cause corrosion of the pipes. The chemicals in the product are designed to break own the clog, but if left for too long, they can start to break down the pipes themselves.

How to clean a p-trap without removing it?

Pour some baking soda down your drain and then pour boiling water down after. Sometimes this will clear the clog. Use a plunger on your sink drain to try to force the clog out of the trap.

How to unclog a deep drain clog?

How To Unblock A Clogged Drain Deep In Pipe
  1. Using a Toilet Plunger or Plunger.
  2. Applying Baking Soda and Vinegar.
  3. Employing a Drain Snake or Plumbing Auger.
  4. Hydro Jetting Techniques.

What dissolves a blocked sink?

Vinegar is effective at cutting grease and baking soda causes a reaction with vinegar that bubbles up and helps to remove blockages in the pipe. Pour the baking soda into the drain first, followed by a generous glug of white vinegar. Wait a few minutes until the mixture has stopped fizzing and flush with hot water.

How do I get water back in my P-trap?

This usually happens to a sink or appliance that hasn't been used in a long time. We generally see it in utility sinks or guest bathrooms. When the P-trap dries up there's no water and therefore, no seal. Simply run the water for 10-15 seconds to re-establish a seal and you should be good to go.

How do you unclog a drain if a snake doesn't work?

Lesser Known Tips for Unclogging a Drain
  1. PLUNGER. A plunger is an inexpensive, easy-to-use tool that is effective on most clogs. ...
  2. AUGER. ...
  3. WET/DRY VACUUM (SHOP-VAC) ...
  4. HOME REMEDIES. ...
  5. CHEMICAL DRAIN OPENERS. ...
  6. HAND AUGERS AND DRAIN CABLES. ...
  7. PROFESSIONAL MECHANICAL CLEANING. ...
  8. HYDRO-JETTING (HIGH-PRESSURE WATER JETTING)

What do plumbers use to unclog pipes?

Plumbers choose hydro jetting equipment for the most stubborn, deep-set clogs. This drain clearing tool uses high-pressure water to flush your pipes and remove years of buildup. The water jet is so strong that it can even break up any tree roots that have found their way into your sewer line.

How do I clear a main line blockage?

Your step-by-step guide: How to clear a main sewer line clog
  1. Loosen the cap on the drain pipe. ...
  2. Allow any sewer buildup to come out of the drain. ...
  3. Gently feed the auger cable into the main line drain. ...
  4. Run the auger until the clog is broken up. ...
  5. Hose out leftover debris. ...
  6. Pull the auger cable back out of the main line drain.

What do you do if your drain won't unclog?

Pour one cup of fresh baking soda down the drain, followed by one cup of white vinegar. Place a rubber stopper or other sink hole cover over the drain opening. Wait 15 minutes to allow the vinegar and baking soda to unclog your drain, Then take out the drain cover and run hot tap water down the drain to clear the clog.

What is the best stuff to unblock drain?

Top 10 Ways To Unblock Your Household Drain
  • #1: Use baking soda and vinegar. ...
  • #2: Try baking soda and salt. ...
  • #3: Unblock your drain with boiling water. ...
  • #4: Unclog your drain with a snake. ...
  • #7: Try soda crystals or washing powder. ...
  • #9: Use a Zip-It.

How to remove a stuck P-trap?

The rubber gloves allow you to get a tighter grip when attempting to loosen the P-trap nuts by hand. If the rubber gloves don't work, go ahead and use the plumbers wrench. Hold the P-trap with one hand while you twist the P-trap nut with the wrench. Once you have loosened it, finish unscrewing by hand.

How do I know if my P-trap is clogged?

A blocked p-trap will cause water backflow to occur. The first sign that your p-trap is clogged is when the water in your sink takes longer than average to flow down the sink.

Can drain flies get past P-trap?

A dried-out p-trap allows for flies to access the drain through rooftop vent traps.

Why do plumbers not like Drano?

Plumbers unanimously encourage homeowners not to use Drano due to its corrosive nature. The chemicals in Drano can erode not only the clogged material causing the blockage but will also quickly eat away at the metal plumbing pipes themselves, causing more harm than good.

Can I leave Mr. Muscle overnight?

Using innovative drain unblocking technology, Mr Muscle's new biodegradable formula delivers the power to unclog bathroom drains in just 5 hours. Use it at night, let it work its magic and wake up to freely flowing drains.

How long should I run water after Drano?

Drano® Liquid Drain Cleaner starts working to unclog your drain on contact. After 15 to 30 minutes, clogs are substantially minimized or dissolved. A final blast of hot water flushes away what's left of the clog.

Previous article
Why is recycled toilet paper brown?
Next article
How to reset a heat detector?