again...the "100w" energy savers give off the same amount of light AS A 100W BULB, and use 20-26w each.

23w bulb gives 1600lums
40w tube gives 3000lums
NOT 100w bulb gives 1600 lums, cuz that would be discraceful for a floro bulb.

you need at least 2 bulbs per plant, no compromise. otherwise your gonna do one shitty yield. you can set up 10 bulbs easily for 50-80$ covering bulbs wires, plugs, sockets, chains, hooks, etc.