I've often heard and seen pics of the end result of grows with cfls and they seem to be fine, fair enough i won't get such a big yield off it but im only looking for between an ounce or two.. ill post up pictures today, im using perlite mixed with a bit of home made compost i got off a friend, and i change the feed regularly, i use creatine, muscle gainer and tomatoe food, seems to be doing the job so far.