depends on the wattage. i find running four 105watt cfl's (around 400 relative watts each) works great for up to four plants. the lower the wattage, the hotter the bulb, though. so be careful with that. you're still going to need a pretty hefty ventilation system with any significant number...
so i bought a bilge blower fan thing and flexible ductwork for my little two plant, four cfl's and homemade reflector grow tent. its loud. real loud. i have tried using insulated 4" duct. i have tried making my own muffler using insulation stuffed inside said flexiduct with holes punched in...
there is such a wealth of information on here, you would be better off just using the search method.
one thing is certain though, say thank you before cutting them. they gave their lives for your head.
catch, those are the ones i just got. i don't think you can mix to 2700k. mine came in as 6500. which is just fine, for now. and you can't beat that deal with a stick.
i've had germinated seeds in soil for over a week now and nobody is prairie-dogging. these are sativas. the two indicas i germed and planted are up and healthy.
so you mean i can just keep plowing ahead and the stubborn little buggers will eventually sprout?
you can get two 105watt cfl's on amazon right now for $25 and free super shipping. buy them, use one, save the other. make a hood out of home depot stuff. you'll be swimming in green.
i'm a huge fan of sannie's killing fields. great sativa high, fantastic yield and the different phenomes have such distinct characteristics. i just did my first grow and had one purple and one light green phenome plant. the purple is much more spicy while the green smells and tastes like...