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  1. #1
    Join Date
    Sep 2013
    Posts
    52

    Default Smelly Kitchen Sink

    Hi!

    I just purchased a house (1950s) a few months ago. Since I moved in, there has been a smell coming from the kitchen sink. I am not sure I can appropriately describe the smell, other than perhaps old food. Here are some details and tricks I've tried to get the smell to go away.

    The house is on city water/sewer.
    The sink drains perfectly. Water does not stand at all and free flows quickly out of the basin.
    The smell is there even when the sink is empty of dishes and clean.
    The smell is not there 100% of the time...even if there are dishes in the sink or the sink is empty and clean.

    I've poured the following down the drain (not at the same time):
    bleach (filled up the sink with water, then added a cup of bleach, then drained)
    vinegar
    vinegar and baking soda
    409 cleaner
    Drano (once)

    If you have any thoughts about what I could do to fix this, please share. Thank you.

    Loreen

  2. #2
    Join Date
    Sep 2012
    Location
    Boston
    Posts
    1,004

    Default Re: Smelly Kitchen Sink

    this happens often.

    do you have a disposal? if you do, old food and gunk gets stuck under the rim or up high inside the disposal which doesn't get washed away with just running the sink. solution....get some flexible brushes and do your best to clean it (make sure you turn the breaker off). the ideal way would be to remove the disposal and clean it out very well or a worse case scenario would be to replace the disposal.

    do you have 2 side by side sinks? if you do, the pipe that runs from one sink into the trap of the other will hold food and gunk and can be cleaned or replaced.

    do you have one sink with no disposal? the trap gets full of food and gunk and that can be cleaned out or replaced.

    one of these should solve your problem. let us know what you find.

  3. #3
    Join Date
    Sep 2013
    Posts
    52

    Default Re: Smelly Kitchen Sink

    Hi,

    Thank you for replying. I do not have a disposal, but do have side-by-side sinks. I'm thinking I am going to have to hire a plumber to come clean it out, though. I just don't have enough hand strength to turn the water off below the sink.

    Thank you very much for your advice! I appreciate it.

    Loreen

  4. #4
    Join Date
    Jul 2010
    Location
    SoCal
    Posts
    6,399

    Default Re: Smelly Kitchen Sink

    MLB really summed it up.

    For hard to turn supply angle stops: time to replace them. If they don't function properly, they are useless.

  5. #5
    Join Date
    Sep 2012
    Location
    Boston
    Posts
    1,004

    Default Re: Smelly Kitchen Sink

    Quote Originally Posted by dj1 View Post
    MLB really summed it up.

    For hard to turn supply angle stops: time to replace them. If they don't function properly, they are useless.


    excellent point that is often missed on this forum and by many homeowners. if a water shutoff is too hard to turn, many homeowners will just leave it as is. it's important to replace old or malfunctioning ones. it's quicker than running to the basement to find the main shutoff and that 1-2 minute lapse in getting the water turned off, especially on a toilet shutoff, can create more damage than you can imagine.

  6. #6
    Join Date
    Aug 2007
    Location
    Maryland
    Posts
    1,545

    Default Re: Smelly Kitchen Sink

    I've become a big fan of ball valves that use a handle that rotates 90 degrees to shut off if there is room. Easier to operate and close even if they are a bit tight.
    I actually "exercise" all the valves in my house at least yearly or so to make sure they stay operational. A little penetrating oil on the valve stem may eventually loosen it up.

    The drain pipe from the sink over to the main drain under the other sink may not have enough slope or even slope back that allows crud to accumulate and eventually smell.

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