i have been reading alot of things that matters to plants first is light so i have a small space not mnch chocie for lighting so someone said cfls are good so i got some 4 exact 6500k 1650 lumes space of grow 2 1/2 by 2 1/2 3 1/12 ft tall problem one to hot an very dry also have 4 plants so i switch to fluro lights 2 24' fixtures 2 20 watt cool blues 5400k 1300 lumes an two 20watt plant grow bulbs an plants look better then ever an they can very very close to light need help tired of wasting money also 50 cfm exhaust fan going out what should i do someone please help nebiee thanks all