The best smells for getting rid of gnats are vinegar, peppermint, vanilla, pine, eucalyptus, lavender, and pine. If you have essential oils, putting a few drops on a cotton ball near where gnats ...
Characteristically, they look like tiny cotton balls covered with threads sticking ... or spraying them with organic pyrethrins. Fungus gnats are more of a nuisance than a plant damaging pest.