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Why is my shower drain not draining?

Author

Emma Payne

Published Jan 11, 2026

What Causes Drain Blockages? Smaller shower drain blockages are usually caused by a build-up of soap scum, dirt, and hair. Long hair in particular can easily clog drains, and soap worsens the problem by causing hair to stick to the drain walls more easily than it otherwise would.

How can I improve the drainage in my shower?

There are many variations on the formula, but one of the easiest is to pour 1/2 cup to 1 cup of baking soda into the drain. Allow the baking soda to sit for about a minute. Pour the same amount of white vinegar down the shower drain and seal the drain with a heavy rubber mat or thick rag, advises HGTV.

How do you fix a shower drain that won't drain?

First, if you have metal pipes, pour boiling water down the drain. Then remove hair from the drain. If that doesn't work, use a mixture of vinegar and baking soda. If the clog persists, use a plunger, plumber's snake or chemical drain opener.

Why is there standing water in my shower drain?

Minerals from hard water and soap top the reasons why your shower drain clogs up too. Also, dirt and grease play their part in clogging drains. Again, although hair is one of the main reasons shower drains get clogged up, the type of hair that makes it way to the drain has a lot to do with it as well.

Is my shower drain supposed to hold water?

Yes it's normal and what you want. It's called a P-trap and the water sitting in there seals out the sewer gasses.

22 related questions found

How do you unclog a shower drain naturally?

Follow these easy steps to unclog your drain:

  1. Start by pouring a pot of boiling water down the drain.
  2. Next, pour a cup of baking soda and 1 cup water/1 cup vinegar solution.
  3. Cover with the drain plug and wait 5 to 10 minutes.
  4. Pour boiling water down the drain again.

Will boiling water unclog a shower drain?

It might sound simple, but boiling water can be a fantastic way to get rid of clogs caused by soap scum. The boiling water heats up the clog, liquefying it and flushing it down the drain. Start by waiting for any standing water to drain.

How do you know if your main drain is clogged?

Signs Your Sewer Line May Be Clogged

  1. Dark Water. One of the signature symptoms of a main-drain clog is water backing up in your tubs or showers. ...
  2. Slow-Moving Drains. Take a minute to think about the drains in your home. ...
  3. Gurgling Sounds. ...
  4. Clogged Plumbing Fixtures. ...
  5. Turn Off the Water. ...
  6. Call a Plumber.

How do you unclog a shower drain without Drano?

Using a solution of baking soda, vinegar, and hot water – For more stubborn clogs, a combination of baking soda, vinegar, and hot water may do the trick. Because vinegar is an acid and baking soda is a base, mixing the two will cause a chemical reaction that will create pressure and possibly dislodge the clog.

How do you clear a slow moving shower drain?

Use Hot Water

Pour a cup of baking soda down the drain. Then pour in two cups of boiling water. Let it work for five minutes before adding a combination of baking soda and vinegar. Next, pour baking soda and vinegar into the drain and replace the stopper.

How do you speed up a slow shower drain?

Use a Plunger

But the same plunging motion can help clear a slow drain. This will work best while you are in the shower, so if your drain is slow, take a plunger with you for your next shower. Wait until the water has risen a bit and then place the plunger firmly over the drain.

What will dissolve hair in drain?

Use Baking Soda & Vinegar Before Plunging It Out: Baking soda and vinegar can be an extremely effective way of dispatching many clogs, and hair clogs are no exception. For best results, start by squirting a little dish soap into your drain, followed by a cup of vinegar and a cup of baking soda.

Can plunging make a clog worse?

Plungers are an effective way to clear a drain or unclog a toilet when used correctly. The key is to make sure a tight seal is formed around the drain and plunge slowly and methodically. Plunging too quickly or with too much force can prevent a tight seal from forming, making your efforts relatively ineffective.

Can hydrogen peroxide unclog a drain?

This can be quite effective in clearing out clogs, but you must take precautions as highly concentrations of hydrogen peroxide can cause burns. Add 3 cups of the chemical into 3/4 gallon of cold water, stir it with a wooden spoon that you don't mind discarding later, and pour it down the drain.

How does Green Gobbler work?

Green Gobbler drain cleaners are enzymatic, meaning their formulas contain enzyme-producing bacteria that feed on clogs and slowly break them down. Drano drain cleaners are caustic, meaning their formulas contain harsh chemicals, such as sodium hydroxide, to attack and break down clogs.

How do I clear my main drain line?

Steps For How to Clear A Main Sewer Line Clog

  1. Loosen the Drain Pipe Cap (Cleanout Pipe) The first step is to find your main drain cleanout location. ...
  2. Remove Cap, Allow Build-Up to Drain. Once you remove the cleanout cap, step away quickly. ...
  3. Insert the Snake into Pipe. ...
  4. Run the Tool Until Clog Is Gone. ...
  5. Clean Up.

What are signs of sewage backup?

Early signs of sewer backup

  • Gurgling sounds coming from a drain.
  • Unusual odors coming from the sinks, showers, or drains.
  • One or more drains moving slower than usual.
  • Water backup into the shower or tub.

What causes main line clogs?

Grease, oils and fats commonly cause sewer drain clogs. Although it starts as a liquid when it enters a sewer line, FOG eventually hardens and lodges inside the line. Solid FOG traps debris leading to massive sewer blockages.

Will dish soap unclog a shower drain?

Greasy clogs can be cleared with dish soap and hot water.

For this method to work, the drain needs to be cleared of water. Squirt dish soap down the clogged drain and then pour boiling water down the drain. Grease is eliminated!

Will vinegar hurt PVC pipes?

The answer is that vinegar will not harm your pipes if used in small doses as recommended in many of the recipes that you find online. No matter what your pipes are made of, pex, pvc, copper, etc. Vinegar will not harm your water pipes.

How do you unblock a shower?

6 Foolproof Ways to Unblock Your Shower Drain, Fast

  1. Baking Soda and White Vinegar. ...
  2. Commercial Drain Cleaners. ...
  3. Boiling Water to Unblock Shower Drains. ...
  4. Try Using a Plunger for Shower Drain Unblocking. ...
  5. Remove the Blockage by Hand. ...
  6. Use a Coat Hanger Hook to Clear Debris.

Can Dawn unclog a bathtub drain?

Pour 1/2 cup of Blue Dawn detergent (no substitutes for best result) into the drain. For tough clogs, use a full cup. While that sits, bring a half pot of water (about 4 cups) to boil. Pour this directly into the drain very slowly but steadily to avoid getting burned by splashing water.

How do you fix a severely clogged drain?

Simply pour some hot water down your clogged drain and follow it up with equal parts baking soda and vinegar (baking soda first), cover the drain with a plug if you have one, let it sit for 20-30 minutes, then follow it up with more hot water to clear the clog.

Does bleach break down hair?

Bleach dissolves hair and it takes a bit of time. If it doesn't get rid of the stoppage completely then try another application of a cup of bleach.

What eats hair in a drain?

Products like Drano and Liquid Plumr are caustic and can slowly eat away at your plumbing pipes. Baking soda, on the other hand, has many benefits. Not only does it help dissolve the hair down your drain, but it also has disinfectant properties that can fight odor, bacteria, and fungi.