Yeahh i think humbolts has done right, if the CFL's cost him a hundered dollars, thats still MUCH cheaper than buying 1 400watt hps which also needs a ballast and reasonable ventilation at least, could do with a relfector too, correct me if im wrong but all that would cost a LOT more than those cfl's and with so many lights you can get COMPLETE light coverage,
i mean look at those plants of humbolts! thats sweet shit for CFL's as far as im concerned, im fed up of these HPS snobs.
if we had a 10' by 10' growroom and the money im sure yes we would be using a big dirty 1000watt hps but humbolts done it right by my books.
Jolly