The problem with this smell is that it can come from out of nowhere to most homeowners and leave you questioning why does my sink drain smells like mold and the answer to this can be a rage of things such as decomposing food the water produced into your home or even maybe mold spores that have become trapped in your home s pipes.
Why does my bathroom sink smell.
Bacterial activity in a dirty sink drain produces the stinky hydrogen sulfide gas.
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.
Once you ve identified where the odor is.
You may also need to unblock your drainage vents.
Cleaning and disinfecting the drain can stop the sulfur smell.
Overflow holes are the small holes or slits on the top back section of your bathroom.
A smelly bathroom sink drain is a common problem as odor residue and bacteria accumulate regularly in the drain.
How to get rid of the smell from the bathroom sink overflow.
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.
In most cases you will start with the p trap since it is just underneath your sink and it is the most prominent suspect.
Inspecting why bathroom sink smells like sewer.
If you re not sure how to address a smelly bathroom sink call the professionals at benjamin franklin plumbing cedar rapids.
Overflow holes can also be the cause of the sewer smell.
Pour water down the tub or sink drain to refill the pipe.
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.
We will be happy to give you a hand.
Since you are not sure what is precisely responsible for the sewer smell you have to do some inspection.
There s no single cause for all bathroom drain odors but dry p traps blocked vents and biofilm buildup are common culprits.
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.
This is the best way to clean sink drains.
Luckily keeping the drain clean and odor free is a fairly easy task and requires only a couple of inexpensive household ingredients.
Fixing this issue is simple.
When your bathroom sink smells like rotten eggs the cause is likely contaminated water and drains blocked vents or a dried up p trap.