Thread: UV light
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Old 02-05-2008, 03:02 PM   #14 (permalink)
rane
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Default Re: UV light
Quote:
Originally Posted by Lodewijkp View Post
RED WAVELENGHT ONLY EMITS WARMTH AND COSTS ALOT OF ENERGY< USELESS FOR PLANT GROWTH, MAYBE GOOD FOR GERMINATING SEEDS BECAUSE OF THE WARMTH .
This part is incorrect, most plants use both blue and red light.
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