I love having my screen doors & windows open as often as I can. But this year, the gnats are eating is alive !, in & out of the house. I know they are very tiny & I heard they can fit through the holes in the screens ......anyone have any ideas on how to block or put something on the screens to curtail the gnats from coming in the house? Or do I have to shut all of my doors & windows?Also, anyone know when the gnats stop? Thanks for your help all !.....Madeline

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