The Planted Tank Forum - View Single Post - DIY led lighting - have I got it right before purchasing
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Old 01-03-2013, 09:02 AM   #2
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You sure you got enough LED lighting to grow plants with that? From what I can tell you got the equivalent of 18 cw/nw Cree LEDs total in your lighting (not sure what the 3x hv and 3x dr are).

Also, have you checked the geometry on your light array? How high are you planning to mount the lighting? 40 degree optics makes for a pretty narrow beam.
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