Avoid expensive and chemically based drain cleaners sold at supermarkets and home improvement stores.
How to fix a smelly sink drain.
The hot water will loosen soap scum and any other foul smelling debris in the drain.
It also cuts through grease and has disinfecting properties so it can help clean smelly drains by dissolving biofilm or other material.
If using the tap isn t an option heat a pot of water on the stove.
Turn the tap to the hottest water setting possible and let it run for a few minutes.
Pour hot tap water down the drain.
If the u bend isn t the problem you can try out some popular home remedies to fix a bad smelling drain.
Get rid of a smelly sink drain with baking soda.
Smells emanating from the bathroom sink could be the result of bacteria growth on hair soap and other bathroom waste and if so cleaning the p trap and pouring baking soda in the drain are.
While wearing rubber gloves mix the water and bleach together.
Since white vinegar contains acetic acid it neutralizes alkaline sources of odor.
Vinegar is a fantastic deodorizer.
Heat four cups of white vinegar until it simmers not boils.
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.
Add a small amount of bleach.
Luckily keeping the drain clean and odor free is a fairly easy task and requires only a couple of inexpensive household ingredients.
Pull the plug on the drain and the bleach mixture will clean and deodorize your drain on its way out.