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.
Smelly bathroom sink water.
Like many others your sink probably has a hole at the top that allows fast drainage when the sink is full of water.
Water sitting in the sink trap creates a seal between the sewer line and the sewer gas ventilation.
Wait 30 seconds and if the glass no longer smells then this test suggests you likely have bacteria in the drain causing the smell.
The sink is the closest one to the water heater if that could make a difference.
The water in the basin did continue to smell so i know it is the water coming out of the faucet that smells bad and not the drain.
The sink trap is usually shaped like a u s or j.
The offensive gas is responsible for such an explosion and this is why bathroom sink smells like sewer.
Then fill a glass with water from the faucet that does smell and step away from the sink so you can t smell any residual odor from the tap.
If a water heater has not been used for some time it can emit this noxious.
Luckily keeping the drain clean and odor free is a fairly easy task and requires only a couple of inexpensive household ingredients.
The bathroom sink is further and the bath sink and tub water takes a long time to get hot so i m sure they are both plumbed post kitchen connection.
The possible reason is clogging of the pipe that leads to dry p trap.
This is the best way to clean sink drains.
You can find it below the sink.
If your tub shower or sink is not used frequently the water inside the pipe often evaporates and allows the gases to pass through into your bathroom causing the unpleasant smell.
A smelly bathroom sink drain is a common problem as odor residue and bacteria accumulate regularly in the drain.
I m just not sure where to go from here.
It doesn t seem to matter if i use hot or cold water.
If the sink trap dries the sewer smell fills the room.
Pour water down the tub or sink drain to refill the pipe.
Fixing this issue is simple.
No sulfer smell and the tank is not conventional it is from the mid 80 s an indirect tank.
Sometimes it happens that the sewer smell in the bathroom comes from the sink.
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 doesn t matter if you use.
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.
How to get rid of the smell from the bathroom sink overflow.