How do I get rid of the sewer smell in our bathroom sink? It is not when the water is turned on, it looks like it is further down in the sink pipes.

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Originally Posted by besmith

How do I get rid of the sewer smell in our bathroom sink? It is not when the water is turned on, it looks like it is further down in the sink pipes.

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Your bathroom lav is probably missing a p trap (or the water is leaking out of the p-trap) that blocks off sewer smell from coming up the pipes. .