How do you get rid of gnats in sewer?

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Tags

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2. #overnight
3. #counter
4. #equal
5. #flies
6. #white
7. #drown
8. #parts
9. #fragrant
10. #drops
11. #liquid
12. #setting
13. #attracted
14. #sugar
15. #daily
16. #drain
17. #water
18. #times