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    Chrisscott's Avatar
    Chrisscott Posts: 1, Reputation: 1
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    #1

    Jun 28, 2014, 02:51 PM
    How do you get rid of sewer gas smell under bathroom sink
    Sewer smell under bathroom sink. Have changed vent valve 3 times, used Drano, and snaked it. Improved water flow but still have the smell coming from vent. Has been humid and rainy more than usual. None of the other sinks have this problem.
    ma0641's Avatar
    ma0641 Posts: 15,675, Reputation: 1012
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    #2

    Jun 28, 2014, 04:46 PM
    Vent, AAV I would presume, should not go bad that often. Could be a blocked roof vent that bubbles back through the sink trap.
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