Bacterial activity in a dirty sink drain produces the stinky hydrogen sulfide gas.
Why does my bathroom sink smell.
This is the best way to clean sink drains.
Why does my bathroom smell.
Cleaning and disinfecting the drain can stop the sulfur smell.
A rancid odor coming from your sink drain may just be coming from debris in the p trap but if it smells like a sewer it probably means venting problems in your drain system.
There s no single cause for all bathroom drain odors but dry p traps blocked vents and biofilm buildup are common culprits.
When the vents are blocked flushing a toilet can create sufficient vacuum to suck water out of the trap and allow sewer gases into your home.
The first possible cause of a sewage smell in your bathroom is by far the easiest to fix and more likely to occur in bathrooms where fixtures haven t been used recently such as the sink in a guest bathroom or the tub in a bathroom with a separate shower.
Overflow holes are the small holes or slits on the top back section of your bathroom.
You may also need to unblock your drainage vents.
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 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.
We will be happy to give you a hand.
Sewer smells in your bathroom can result from a few different issues so you ll need to spend a bit of time in the room to sniff out the source.
Once you ve identified where the odor is.
Since you are not sure what is precisely responsible for the sewer smell you have to do some inspection.
Inspecting why bathroom sink smells like sewer.
Fixing this issue is simple.
If you re not sure how to address a smelly bathroom sink call the professionals at benjamin franklin plumbing cedar rapids.
Pour water down the tub or sink drain to refill the pipe.
How to get rid of the smell from the bathroom sink overflow.
In most cases you will start with the p trap since it is just underneath your sink and it is the most prominent suspect.
Overflow holes can also be the cause of the sewer smell.