How to cure a smelly sink drain start with a clean empty sink.
Cure for smelly drains.
Heat four cups of white vinegar until it simmers not boils.
Since white vinegar contains acetic acid it neutralizes alkaline sources of odor.
It also cuts through grease and has disinfecting properties so it can help clean smelly drains by dissolving biofilm or other material.
Luckily keeping the drain clean and odor free is a fairly easy task and requires only a couple of inexpensive household ingredients.
The second thing that can be done is to pour cup of baking soda into the drain and then pour cup of vinegar into the drain.
A smelly bathroom sink drain is a common problem as odor residue and bacteria accumulate regularly in the drain.
Boil around one litre of white vinegar and pour half of it down the problematic drain.
Once boiled flush the drain by pouring the hot water down the drain all at once.
Allow this to bubble for 10 minutes to deodorize the pipes and remove and debris that has built up on the side of the pipes.
Odorous kitchen drain if you don t have a garbage disposal it s easier for large food items to get caught in the p trap.
Rinse the drain out with cold water and follow with the rest of the boiled white vinegar.
Boil about 2 quarts of water.
They often get snagged by stringy waste such as celery fibers.
Pour half down the drain then run water for a minute.