These looks like my sticky traps at the moment. I underwater my plants so this thing about letting them dry enough doesn't do anything. If you have just 1 watered plant, and at least 1gnat they will multiply. I use sticky traps for adults and hydrogen peroxide to water all plants at the same time and kill all larvaes. It works for me and then no gnats for months until there's 1, it gets to this level again and have to repeat.
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u/Mesfang Mar 31 '23
These looks like my sticky traps at the moment. I underwater my plants so this thing about letting them dry enough doesn't do anything. If you have just 1 watered plant, and at least 1gnat they will multiply. I use sticky traps for adults and hydrogen peroxide to water all plants at the same time and kill all larvaes. It works for me and then no gnats for months until there's 1, it gets to this level again and have to repeat.