Fungus Gnats · The Potted Garden Society

Fungus Gnats

This year I have overwintered 12 pepper plants. Well inadvertently I brought in some fungus gnats. Anyone have any experience in dealing with these successfully? Been using neem oil, castile soap and water and spraying frequently, but feel like I'm facing a winless battle. Also put about 1/4 inch of sand on the top of each container. Also been using a mixture of hydrogen peroxide and water. To add more drama to all this I have 3 hydroponic towers down the basement and having problems there too. Hoping someone has been able to get through something like this.

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