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Unpleasant smell in the bathroom
...and, no, it's not me.
We've been smelling something unpleasant in the main bathroom for a couple days now. It smells a bit like sewer gas, but lacks the characteristic strong rotten eggs smell of hydrogen sulfide, and none of us are experiencing (so far as I know) the usual symptoms associated with exposure (eye irritation, sore throat and cough, shortness of breath). It's just an unpleasant smell that appears to be coming from the bathtub drain.
I've run sufficient water to fill the trap below - it's a large-ish brass(?) cylinder - and we're going to experiment to try to isolate the cause. Here's what we know:
The toilet has water in the bowl, and unless it's leaking around the base - and there's nothing on the floor around it to indicate that it is - that's not it.
The trap under the sink has water in it.
Putting the stopper in the tub overnight seems to have helped, but the smell is cloying and might have seeped into the towels and other items in the room so it's hard to tell. We also ran the exhaust fan all night.
The tub has started draining slow - we noticed it about two weeks ago.
The laundry shares the same stack one floor below, and there is no smell coming from down there, so THAT trap has water in it.
Any advice, hints, previous experience?
We've been smelling something unpleasant in the main bathroom for a couple days now. It smells a bit like sewer gas, but lacks the characteristic strong rotten eggs smell of hydrogen sulfide, and none of us are experiencing (so far as I know) the usual symptoms associated with exposure (eye irritation, sore throat and cough, shortness of breath). It's just an unpleasant smell that appears to be coming from the bathtub drain.
I've run sufficient water to fill the trap below - it's a large-ish brass(?) cylinder - and we're going to experiment to try to isolate the cause. Here's what we know:
The toilet has water in the bowl, and unless it's leaking around the base - and there's nothing on the floor around it to indicate that it is - that's not it.
The trap under the sink has water in it.
Putting the stopper in the tub overnight seems to have helped, but the smell is cloying and might have seeped into the towels and other items in the room so it's hard to tell. We also ran the exhaust fan all night.
The tub has started draining slow - we noticed it about two weeks ago.
The laundry shares the same stack one floor below, and there is no smell coming from down there, so THAT trap has water in it.
Any advice, hints, previous experience?
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