Q.Fungus Gnats
We are having a problem with fungus gnats in the greenhouse. I can’t get anything expensive to get rid of them. Is there anything I can use that’s not too expensive? I have been using Gnatrol, but it’s not working.

Nikki
Certified GKH Gardening Expert
Certified GKH Gardening Expert
Answered on April 29, 2011
This article will help:
https://www.gardeningknowhow.com/special/children/fungus-gnats.htm
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