How Do I Get Rid Of Fungus Gnats ?

yellow sticky traps and a strong breeze at the soil line (assuming you're growing in soil)

 

If you are in soil, you can cover the top of the soil with perlite it works great. A fan blowing across the top of the soil works well also, the knats lay thier eggs in the moist soil so letting it dry out is the key.

 

Fungus gnats (families Mycetophilidae and Sciaridae) are a
common pest of plants grown indoors, especially where humidity and moisture are
high. They’re usually first noticed when the harmless adults are seen flying
around house plants or gathered at a nearby window.
The 5 effective methods should be applied to control fungus gnats.

1. Make sure that your door screens and windows always work properly.
2. Allow for the upper part of the soil to dry in between watering periods.
3. Your pots should have the necessary irrigation system, while the container under the pot needs to be cleared of any stagnant water.
4. Remove all fallen leaves and trash around your plants, since these insects feed on the greens that are at the stage of decomposition.
5. Purchase fly traps traditional adhesive that you can put near the infected plants.

 

I bought nematodes and added them to the soil. My gnats disapeared. I didn't know they would help with them.

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Apple cider vinegar traps. DIY or store bought look in to it

 

Here ya go what I use to prevent and get rid

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