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How to Stop Sewer Odor from Drain

  • Transcript

    LESLIE: Cindy in Delaware is on the line with some plumbing odors.

    Tell us what is going on, Cindy.

    CINDY: I have dual sinks in the master bathroom.

    TOM: Right.

    CINDY: And every once in a while, I get a strong sewer smell.

    TOM: OK.

    CINDY: I don’t know what’s causing it. It doesn’t matter if I run the water or flush the toilet but the left bowl connects the – underneath the pipe connects to the right one and it goes down into the – you know, under the house.

    TOM: OK. Well, assuming that they were plumbed correctly – and that you, in fact, have a plumbing trap there, which I’m going to presume you are – the odor is probably the result of something called biogas, which is – basically happens when you get a lot of debris over the years. And it lines the inside of the pipe and it lines the inside of the connections, the drain and so on. And then that material will start to produce a pretty strong odor.

    So what you need to do is take the drain apart and use a bottle brush to scrub the inside of it. You can’t just run something down there. You physically have to scrub it – those pipes – out. And that usually will eliminate that material and therefore the odor.

    CINDY: OK. OK. Because I had used – tried vinegar and baking soda.

    TOM: Yeah, that’s all good stuff but if it’s really building up like that, you’re going to have to remove the scum, so to speak, that’s containing all that bacteria that’s producing the odor.

    CINDY: OK. Alright. Thank you very much.

    TOM: You’re welcome. Good luck with that project. Thanks so much for calling us at 888-MONEY-PIT.
     

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