Sewer smell from bathroom sink drain mystery
pdjh
5 years ago
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Joel Norton
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5 years agoRelated Discussions
Terrible smell from bathroom drain...
Comments (7)I have the same problem with my upstairs bath, which comes and goes (the smell problem, not the bath :). I noticed a sewery smell comes out of there during the first few minutes of running water. I was envisioning some gas bubble that gets dislodged when water goes through the trap. I finally asked a plumber about this. He said that the smell is, indeed, caused by "gunk". Namely, the gunk that collects inside the sink itself - i.e. the space between the slot that prevents the sink from overflowing and where it joins the pipe just below the drain opening. It's almost impossible to clean in there, but he said you could try to use bleach and pipe cleaners. The gas bubble idea still makes more sense to me, but I guess he's seen his share of gunked-up sinks....See MoreSewer gas smell in the basement bathroom
Comments (5)We also just had one bathroom with a "sewer smell". In our case, when the water was first turned on in the sink, there would be a blast of the foul odor. First I thought it was the water itself, but then I decided to catch the water in a pot - no smell then. But when I poured it down the drain, up came the smell. Aha, perhap ssome bacteria, etc down the drain. So I poured a bit of bleach down the drain and that took care of it. Hope this helps solve your problem. (BTW, if that wasn't the cause, my next step was to pour some bleach down the sink & tub overflow drains.)...See MoreBad smell from bathroom sinks
Comments (6)I've had a bad smell coming from my sink. Last fall I pured Liquid Plumber in, let it set and flushed it down. I poured vinegar (straight) in, let it set and flushed it down. I used bleach and flushed it down. Each time, after a day the smell came back. We left for 3 months this winter and when we came back there was no smell. Now,after a week it started again; I poured Simple Green in the sink-straight so it would set in the goose neck pipe underneath; then flushed with HOT water in about an hour. Smell went away, then 2 days later it is back again. Now...I am thinking that because it's an earthy/moldy smell,, could it be a broken pipe underneath and the insulation is wet and rotten ... could that be it? We also remodeled that bathroom 4 years ago and had a new sink put in, but not new plumbing. HELP PLEASE! We use Mentadent toothpaste, but rinse it well with warm water afterwards. Our other bathroom has never been remodeled and hubby uses it every day and it doesn't smell at all....See MoreSewer gas smell in bathroom
Comments (33)The house was built in 1967 and hasn’t seen any major plumbing changes while I’ve lived here. So the house is mostly copper and cast iron. We had a similar situation in our previous house which was built in the 1950s and had copper pipes. I'd been telling my husband for years that I could smell something like sewer in the house and he thought I was crazy. Then a few years ago we had a plumbing problem with the kitchen sink (which shares a wall with the bathroom) which meant opening the wall and found that the copper pipes had corroded quite badly. I suspect you may have the same situation, and the new septic system installation may just be coincidental....See MoreMichael
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