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04-09-2010, 01:57 PM #1Senior Member
2700K + 6500K CFL?
I built a hood which uses four 40W-2700K tubes, Four 23W-5000K CFL, and three 27W-6500K CFL. Making a total (as is) of 17900 lumens from 333W. :thumbsup:
By utilizing as many spectrums of light as possible I can grow THICK dense bushes with no problems. Having more will hurt nothing.
However as stated above, your plants do better under a light producing more blue light. 5000K-6500K are best for veg(Blue light stimulates Chlorophyll A to produce stems, leaves). The higher wattage the better! Plus with more bulbs you can hit the plant from multiple angles!:thumbsup:
When you change to flower you want a high red spectrum, such as the 2300-2700K range, Because the plant needs more red light. (Red light stimulates Chlorophyll B to produce flowers).
I've read that BOTH during all stages is actually best. Hence the Hortilux blue, and the "newer" duel arc bulbs. Which are essentially a MH and HPS built into one bulb.
BTW I'm still flowering under HPS, I just veg under CFLs.:thumbsup:Vancefish Reviewed by Vancefish on . 2700K + 6500K CFL? Couldn't get any responce on the light thread, so I will ask my homies. Hopefully this will help speed up my grow. I had to do something about that light. When they were in that north facing window they only got a couple hours of sun a day. Because of that, I made a grow room in my closet. The lights I had were 2 CFL's. One 15W 2700k, and a 23W 2700k. They were a couple I had around the house. I don't know the lumens, but I am guessing 600 to 800. It is only a wild guess. After Rating: 5[align=center]A wise and frugal government, which shall leave men free to regulate their own pursuits of industry and improvement, and shall not take from the mouth of labor the bread it has earned - this is the sum of good government.[/align]
[align=center]I hope we shall crush in its birth the aristocracy of our monied corporations which dare already to challenge our government to a trial by strength, and bid defiance to the laws of our country.
Thomas Jefferson[/align]
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