I would recommend four 23w = 100w 6500k CFLs 2 directly above and 2 diagonally above I hope I helped you out if you need any more help PM me
http://www.kalyx.com/store/proddeta...0/CategoryID/12000.0/SubCatID/2665.0/file.htm tHATS THE ONE IM BUY AND IM BUYING A 150W HPS AND 175W MH BULB 150W OVERALL COST IS LIKE $50, AND 150W ISN'T THAT MUCH MORE