bubadapothead
Well-Known Member
i have 4 lights of america f17t8/gl (rb17t8gl) coler temp 7800k crl =11 800hrs (14 not sure what all those numbers mean but maybe it will help you help so i have 4 of them and one cool white in a 37 inche by 21 inch place with tin foil on walls on 6 plants about 3-6 inches from top this is my first grow so any and all advice would be helpfull