![My sink started smelling bad, not sure if it is a sewer smell. It smells the strongest from the overflow drain. Is there anything I can do to fix this? : r/Plumbing My sink started smelling bad, not sure if it is a sewer smell. It smells the strongest from the overflow drain. Is there anything I can do to fix this? : r/Plumbing](https://preview.redd.it/k5vmutk2j7a71.jpg?width=640&crop=smart&auto=webp&s=d84fa8afd477e59eda3ce4ff9facae28db488ccc)
My sink started smelling bad, not sure if it is a sewer smell. It smells the strongest from the overflow drain. Is there anything I can do to fix this? : r/Plumbing
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