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Old 10-21-2011, 08:23 AM   #1
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Mysterious Smell Under Kitchen Sink


I'm stumped on this one......

The cabinet under my bar/prep sink in my kitchen has a really strange and somewhat strong odor that I cannot pinpoint. Just curious to see if anyone has any ideas.

The entire kitchen (and about 90% of the house) just finished a major renovation about 4 months ago. This sink is completely new (new drain, supply lines). No disposal, just straight basket strainer into P trap. The plumber did use a mechanical (studor) type vent.

The smell I'm getting isn't mold, rotting food, or sewer smell. It's a chemical/powerdy smell. I scrubbed out the cabinet several times. I'm using a stainless sink and heard the insulation pads could add to the smell, so I tried encapsulating the bottom with polyurethane/kilz. Didn't do anything.

I'm using the same sink (larger), same mechanical vent, only with a disposal in my main sink, and no smell.

Any ideas?

Thanks for letting me vent.

-JimmyCrackCode

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Old 10-21-2011, 01:07 PM   #2
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Mysterious Smell Under Kitchen Sink


Dead animal?
Open the kick plate and have a look.
Is this room over a basement or crawlspace?

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Old 10-21-2011, 01:14 PM   #3
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Mysterious Smell Under Kitchen Sink


Over basement. Dead animal.........interesting. I'll poke around.

Thanks.
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Old 10-21-2011, 01:18 PM   #4
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Mysterious Smell Under Kitchen Sink


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Over basement. Dead animal.........interesting. I'll poke around.

Thanks.
Even a mouse can stink, though not really a chemical smell.
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Old 10-21-2011, 11:16 PM   #5
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Mysterious Smell Under Kitchen Sink


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Even a mouse can stink, though not really a chemical smell.
A dead mouse can smell really bad.
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Old 10-21-2011, 11:24 PM   #6
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Mysterious Smell Under Kitchen Sink


The good thing about dead rodents...well there's two good things actually:
1. They are dead.
2. The odor eventually goes away.
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Old 10-21-2011, 11:43 PM   #7
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Mysterious Smell Under Kitchen Sink


Dead creatures smell somewhere between rotting food and sewer - I've smelled my share.

What are your pipes? PVC it sounds like. . . do your pipes go through the floor to a crawlspace or down/up a wall?

Might be cpvc or pvc adhesive, plumbers putty - but if it's getting stronger it might be a chemical that's calcified and activated with humidity/moisture - I'd scrub the area with odo-ban or other such cleaner that neutralizes acids and see where you stand.

Have you removed the trap to see if there's something festering?

But you know - with your studor vent in place as an alternative to a vent pipe out of the house it might just be a release of these gases and vapors - some people swear they're not suppose to odorize your room but I think they do exactly that: funk it up. Does it have a carbon filter - have you tried changing it?

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