# Persistent smell in bathroom sink

**URL:** <https://boards.straightdope.com/t/persistent-smell-in-bathroom-sink/822907>\
**Category:** Factual Questions\
**Created:** [October 13, 2018, 6:49pm UTC](https://boards.straightdope.com/t/persistent-smell-in-bathroom-sink/822907 "2018-10-13T18:49:39Z")\
**Posts on this page:** 2\
**Page:** 2

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**Author:** ![TSBG](https://avatars.discourse-cdn.com/v4/letter/t/77aa72/32.png) [@TSBG](https://boards.straightdope.com/u/TSBG)\
**Post date:** [October 17, 2018, 1:04am UTC](https://boards.straightdope.com/t/persistent-smell-in-bathroom-sink/822907/21 "2018-10-17T01:04:31Z")

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Pretty sure it’s the standing water. I know what sewer gas smells like, and I know what mold/mildew smells like. But I thank you all for your thoughts.

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**Author:** ![Lucas\_Jackson](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/lucas_jackson/32/303_2.png) [@Lucas\_Jackson](https://boards.straightdope.com/u/Lucas_Jackson)\
**Post date:** [October 17, 2018, 5:39am UTC](https://boards.straightdope.com/t/persistent-smell-in-bathroom-sink/822907/22 "2018-10-17T05:39:00Z")

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I don’t have an opinion on how to control your particular problem but, generally, pouring boiling water down your plumbing is a bad idea. Other issues aside, the potential for swelling the connection joints alone is bad enough.

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