if its a 75 equiv. for your space tht is not enough, get 2-3 100 equiv. (23 actl) it will put you at 3200 lumens to 4800 roughly. figure you should also have a 24/0 lighting induce the most photosynthesis, you can do tht for most of you sapling and veg state. you can have an exhaust fan at the top with passive holes of intake in the bottom, the exchange of air will keep the cfl cool. so you need to put your plant about 3 inches under, for 10$ you can get the bulbs and a socket to plug adapter (.95$) and set them up on the side, you get more lumens with the cfls on the side instead of directly down, miracle grow is also way to enriched. your better off with some scotts potting soil, what i did. mix with some extra perlite ( better drainage) tht should do you good. remember the more lumens the more dense your buds will be. good luck from one grower to another