Re: odor from bathroom sink
Posted by e-plumber on December 15, 2003 at 17:23:40:
In response to Re: odor from bathroom sink
: I have a single story home with dual sinks in the master bath. An odor of "sewer gas" comes from one of the sinks -- only first thing in the morning and only in winter. This phenomenon has been going on for several years but because we have a short winter in Arizona I have ignored it until now. The odor is definitely not hydrogen sulfide. After running water in the sink for about a minute the odor disappears and does not reoccur until the next morning. The sink is used frquently during the day and there is always water in the trap.

: I would appreciate your advice.

If the odor is definetely coming from only that one lavatory, it may be from slime and gunk in the drain assembly and or the built-in overflow in the lavatory basin.
Removing the pop-up assembly and clean it and letting the lav sit full with a bleach/water mixture over night may help.
Good Luck. e-plumber

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