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03-22-2008, 03:24 PM #1OPSenior Member
Answers about CFL, HPS, How Much Light...
Originally Posted by bombdiggity
Originally Posted by Opie Yutts
The reason I started this thread was for fairly new growers because, in my experience, they often don't understand light. Because of that, they either make things too complicated (PAR watts is a good example) or have too much or too little light. Often, I see first time growers describing their new grow areas and I think, "Man, you do NOT need that much light." After a certain point, extra light results in heat and stress issues. My basic belief is that people should always start small and simple and cheap and learn from their mistakes. This thread is just trying to eliminate some of those mistakes.
Originally Posted by fiddyonefiddy
(For heat...do the hand thing. Put your hand a foot or so under your HID grow light. Feel any heat? If not, good. If you feel only a little, okay. If it's pretty warm, you need to raise your lights or have a taller grow area. I know this is covered in other threads better than I am doing it here...just search for that.)Roughrider Reviewed by Roughrider on . Answers about CFL, HPS, How Much Light... Although I'm still kind of a new poster, I keep seeing a lot of the same comments--many of which are answered an Dr. Khronik's excellent El Cheapo Guide to Lighting. But there are a few things I'd like to add in regard to watts, lumens, cfl, hps, and efficiency and how much light you need. Maybe this should be stickied? Watts have nothing to do with light or growth. Watts measure how much power a light fixture uses to produce light. You can tell how efficient a light bulb is by looking Rating: 5
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