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  1. #1
    Join Date
    Jan 2010
    Posts
    1

    Default kitchen sink drain smells like mildew

    I have done everything I can think of since the smell started (vinegar and baking soda, bleach...) We replaced our garbage disposal recently and a smell of mildew began within months. The plumber does not know what the cause is. I remember an Ask TOH show about something similar, but don't remeber the cause. Any ideas?

  2. #2
    Join Date
    Mar 2009
    Posts
    1,387

    Default Re: kitchen sink drain smells like mildew

    Iis there a p trap now not holding water? Some times the water can siphon out and sewer gas enters threw the drains.

  3. #3
    Join Date
    Jan 2010
    Location
    Pennsylvania
    Posts
    2

    Default Re: kitchen sink drain smells like mildew

    We got a new disposal and the smell from it was caused by food particles under the rubber insert in the drain. I just stick my hand in, pull out the insert, and wash it off.
    You can run pieces of lemon or orange through after that.

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