Bro with cfls u should only be maybe 4-5 inches away and for 5 p,lants it might not be enough...I gave mine floranova grow from day 7-8 (haze autos, syrup deimos white dwarf)Now on day 44 and ppm is at 1025 with floranova bloom have 3-4 weeks left and there rocking atleast 26 inchs tallest about 36 had to bend to cola on that one to get it back down under my 600w quatum..Mine at day 18 were atleast 14inches tall with prolly 6-8 alot of braches and nice node tightness..Point being givem food light tho at first...Do u have a PPM meter??I would have it be maybe 250ppm then next week 400 up to maybe 800 durning veg then go up to maybe 1250 during flowering up alittle each week till u hit 1250 of cousre..GL bro...JMO