How to Fix a Bad Smelling Drain

By Mary Smith. Updated: January 20, 2017
How to Fix a Bad Smelling Drain

A common household problem is bad smells coming from drains, whether it be in the bathroom, kitchen, laundry, patio, etc., they end up spreading through the whole house. The main thing is to avoid washing waste or rubbish down the drain or toilets and routinely clean and maintain the pipes. But when odor problems arise, you can try some tricks to successfully fix a bad smelling drain. And we'll show you in this OneHowto article.

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Steps to follow:

Sometimes the bad smell coming from the pipes can be caused by the build-up of waste residues in U-bend. This is the pipe that connects the drain to the piping that takes the waste away. An effective solution to eliminate unpleasant smells from the pipes is to remove the U-bend pipe once a month and clean it thoroughly before reassembling.

How to Fix a Bad Smelling Drain - Step 1

If the U-bend isn't the problem, you can try out some popular home remedies to fix a bad smelling drain. One of them is to prepare a mixture of half a liter of warm water, 200 ml white vinegar and 100g of sodium bicarbonate or baking soda and then pour it down the drain. Leave it to act for about 30 minutes and then pour some hot water into the drain. In addition to neutralizing bad smells, it will completely clean the pipes. Baking soda is a popular home remedy for cleaning and eliminating odors.

How to Fix a Bad Smelling Drain - Step 2

Another useful household remedy is to pour a small amount of baking yeast dissolved in water down the smelly drain. It is important to do this at night and don't turn on the taps until the next day.

How to Fix a Bad Smelling Drain - Step 3

Sodium hydroxide diluted in water is also recommended to wash away residue and eliminate bad smells in the pipes. This is a toxic product that should be handled with caution, wear a mask and latex gloves at all times. Furthermore, it is important to check in advance that the pipe material is resistant to this chemical.


Look for pipe cleaners in your supermarket to help solve any problems with bad smells or blockages. It is essential to follow the instructions and leave it to act for the exact time indicated on the packaging.


If none of the above methods work and you can't get rid of the bad drain smell, you should call a professional plumber to solve the problem and free your home of this really nasty smell.

How to Fix a Bad Smelling Drain - Step 6

If you want to read similar articles to How to Fix a Bad Smelling Drain, we recommend you visit our Maintenance and home security category.

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