Our kitchen sink has an odor of death coming from it..I mean it smells
bad, but not all the time, just once every few weeks. What can be done
to prevent this? What could be causing it, trapped food? Water goes
down just fine.
I've tried baking soda and letting it sit in there, but to no avail.
The pipes under the sink are plastic (PCV? or whatever they are
Many thanks for your suggestions,
If the trap is white plastic, put a bright light behind the trap
and you can see the water level in the trap. When it smells,
see if the water level is still OK. The water is what keeps
sewer gas smells from escaping.
It that is OK, it is probably caused by molds growing in the
scummy residues inside the plastic pipes between the sink
outlet and trap. Pouring bleach solution *may* solve it
temporarily, but the real fix is to take the plastic apart
and thoroughly scrub the interior surfaces with a bleach solution
using a brush.
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