Originally posted by: Eli
Well.. It is known that the sun has anti-bacterial properties...Originally posted by: WarCon
I have a question? What part of the light gets rid of the acne? (And what part is best for growing...)
And why don't you just get off you computer and go play in the sunshine...............
Maybe HID lights emit some of the spectrum that's responsible for that.
Plants use the whole visable light spectrum for photosynthesis.
Actually, IIRC, plants only use the red portions of the visible spectrum for photosynthesis.
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