Lola's Northern Lights Grow - Problem with Fungus Gnats, help

Hello! Strain: Norther Lights autofem indica Veggie Stage approx day 78. (had a very rough start, got most stuff cleared up now) Indoor in 3 gal pots Kelloggs Organic Plus Soil 2 x 2 x 4 Tent 2 Plants Small fan 1 Ehrlight 45 W 165 LLED Lights with Blue & Red 1 120 watt Phillips GRow...