How to Fix Smelly Drains

Written by
Robin S
Published on
November 23, 2025
Introduction
A smelly drain can be really annoying. Make your kitchen or bathroom feel embarrassing. This bad smell is probably because of all the junk that has built up in your drain.
We will show you how to fix a drain. We will also tell you why your drain smells bad in the place. Then we will give you some easy steps to follow so you can get rid of the bad smell in your drain.
Before you can fix the problem, you need to know what the problem is. The problem with drains usually includes a few things. Smelly drains have some problems. These problems with drains are:
* Trapped food or grease in the kitchen drains
* Hair, soap scum, and skin cells in the bathroom drains
* A dry P-trap, which is the pipe under your sink that holds water to seal off bad smells from the smelly drains
* Bacteria or mould growing in the smelly drains
* Blocked or partially clogged drains that cause slow draining in the smelly drains
* Sewer gas backup, which is not very common, but it is serious for the smelly drains
The first step to making your smelly drains smell fresh again is to know where the bad smell is coming from, in the smelly drains.
Start with a fix:
* Boil a kettle of water.
* Pour it down the drain in two parts.
* Wait thirty seconds between each pour.
This works well because boiling water helps break down grease and food waste in the drain.
It gets rid of the smell in your kitchen sink.
Boiling water is great for solving drain problems.
The hot water helps clear the blockage.
It makes your sink smell fresh again.
This natural method is really good for getting rid of smells and small clogs. Here's how you can do it:
* Put half a cup of baking soda down the drain.
* Next, pour half a cup of vinegar down it.
* Cover the plughole with a cloth. Just wait for 15 to 20 minutes.
* After that, rinse everything with boiling water.
You can use baking soda and white vinegar to clear blockages. Baking soda helps to remove odors. White vinegar helps to clear the blockages.
Published: November 25, 2025
Updated: June 25, 2026
