How to remove bad smell from the shower drain

The bad smell of the bathroom pipes is one of the problems that most occur in the bathrooms. When it does, it can wrap the entire bathroom and even cross its borders and expand into the rest of the home.

Why do pipes smell?

There are several reasons why the bad smell of the shower tray. The drains are connected to wastewater circuits that flow into the sewer network and the siphon is responsible for preventing the bad smell of the toilet.

The siphon is a pipe with a U or S shape in whose curves is stagnated a quantity of water that makes a stopper and prevents the gases from the sewage from passing through and causing the bad odors of the drainage to occur. Sometimes, the siphon is emptied and does not fulfill its function.

This happens when we do not use the drain, or when there is a suction effect on the pipe that the water carries, for example: if they are connected to the same drain pipe, when emptying a bathtub it is possible to suck Sink siphon water. Heavy rain can also cause bad odors in the pipes, as the sewage system can become saturated.

As we have said, the bad odors of the shower drain originates for several reasons, and one of them may also be the accumulation of inorganic waste such as, for example, the fat of the body care products. To avoid accumulation, a continuous maintenance of the pipes is necessary.

Then we share with you the best recommendations and tips to remove the bad smell from the shower drain.

Water, vinegar and bicarbonate

If the problem does not originate in the siphon, you can try a home remedy to eliminate bad odors from the pipes. Prepare a mixture with the following elements:

  • Warm water
  • 100gr (5 tablespoons) of baking soda or fruit salt
  • 200 ml (one glass) of white vinegar

Once the mixture has been prepared, pour it into the drain. Leave it to stand for half an hour, during which time a natural caustic reaction will occur, which may come out through the drain as a foam and, after 30 minutes, pour boiling water.


Another very simple and useful home remedy is to pour a mixture of water and baker’s yeast down the drain before going to sleep and not opening the taps throughout the night. Both this remedy to eliminate the bad smell of the bath as the previous one are, besides remedies, good techniques of cleaning and maintenance of the pipes, so although you do not suffer from the bad smell of the pipes of the bath you can make use of.

Cleaning products

In supermarkets there are plenty of cleaning products to eliminate the bad smell of the pipes , but you have to be careful when using them and are never recommended to treat the problem in the long term, as they are very polluting and can reach Seriously damaging and weakening your pipes.

Replace the siphon

If the smell of your shower drain is persistent and does not go away by letting the water run for a few minutes, or any of the above tips, it is likely that you should change the siphon to one whose curves have measures that prevent it from sticking without water.