hey, my bro had 40 plants, been growing about 2 months, all northern lights, nice and big, but he got a horrible case of spidermites, and he couldent get rid of the little bastards, he had to bag and pitch 32 of his plants, hes only got 8 left it blows soo much, and like 4 of em have mites, he trying to get rid of em before they mulitply to much, it sucks...