From what I can tell the big gain with LEDs is the ability to direct the light. I discovered how important not just brightness (power), but actually being able to direct the light onto the plant when I was using CFLs in brooder lights. The other factor is that an LED of the same power is smaller than a fluorescent so you can get a given area brighter.
If you go Google images and enter Smokemaster LED grow lights you'll see what he has done with LEDs. He's had good success growing hot peppers using 50 watt homemade panels.
Last edited by Doug9345; February 16, 2014 at 11:14 AM.
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