now using 500 watt white cfl. much better growth now. have a 600 watt hps and 400 watt mh, mylar otw. plants are healthy. will transfer 7 plants into 5 gallon buckets in 6' by 20 in closet/grow room. think i'll veg a lil while longer and experiment w LST. i want about 6 big plants with lots of tops and kolas and giant buds. will post pics of finished grow room. for $180 i got both lamps used on ebay, and more than enough mylar for an xt 20. so $200 so far. will invest in fan system soon too. these plants are about 3 weeks old. its been experimental for me, so i think they have grown more slowly than ideal, but results seem positive. check out the pics. can some one offer me some advice about the questions in the thread topic? i think my plants may want some nitrogen soon. they will begin having 7leaves soon, and nine soon. i think i have a sativa and an indica. 500 w cfl/ 3 sq ft is effective thus far. how beneficial is co2? is it worth adding? when should i begin lst and topping? links anyone? thanks.Attachment 284382Attachment 284383Attachment 284384Attachment 284385Attachment 284386