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Old November 14, 2014   #46
Cole_Robbie
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Join Date: Jun 2012
Location: Illinois, zone 6
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Quote:
Originally Posted by Hermitian View Post
Halide and LED are the wrong color temperature.
Well, so are HPS lights, and I have grown some nice pepper seedlings under them. Some things are wrong, but still work well.

Different bulb manufacturers like Hortilux and Optilume make HID bulbs that tinker with the spectrum, trying to optimize it for plants. High-intensity lights have power on their side - even if they are inefficient, they still get the job done well.
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