If the p trap is blocked or dry it would cause a sewage smell to emanate from the sink.
Under my bathroom sink stinks.
Removed the pvc under the sink to see if something was caught in the p trap when i removed the pvc from the drain connection in the wall i could smell roots dirt smell coming from the drain pipe which.
How can you inspect the bathroom sink drain for the stink.
Bathroom sink drain has all the organic matter that flows down with the water.
If the trap is leaking the water level inside it may be to low to seal out sewer gases.
Luckily keeping the drain clean and odor free is a fairly easy task and requires only a couple of inexpensive household ingredients.
A smelly bathroom sink drain is a common problem as odor residue and bacteria accumulate regularly in the drain.
If the sink is in regular use you can eliminate evaporation as a cause of the smell so it is either blocked or there is a leak preventing the water from getting to the bottom of the trap.
If you notice a foul odor coming from the overflow pipe in your sink the pipe is probably harboring a layer of gunk and a colony of.
It is the accumulation of such used substances that lead to the emission of the offensive smell.
Poured vinegar baking soda and salt down the sink drain also bleach.
The p trap is a u shaped pipe located under the sink.
Squirted bleach in the overflow of the sink and flushed w hot water.
The smell may abate when you use the sink and replenish the water in the trap but it will return whenever someone uses the bathroom unless you unblock the vents.
You can get rid of funky smells coming from underneath your sink by clearing out the sink s cabinet checking for drippage and spillage.
According to research the bathroom drain is the primary reason why bathroom sink smells like sewer.
That isn t as hard to do as it sounds.
Make a habit of combing your hair regularly before shower and clean the drain once a week with baking soda and vinegar to avoid future sewer smell in the bathroom.
If it smells near the garbage disposal run it to see if there is a break in the seal or piping.
How to get rid of the smell from the bathroom sink overflow.
Check for standing water on the floor or cabinet base beneath the u shaped pipe the p trap under the sink.
But the question is.
Run water to see if any spots are dripping.
Step 1 inspect the p trap underneath the sink for leaks.