We have to remember, of course, that we cannot truly establish causation without parallel environments with only one manipulated variable. It may not be the change in lights affecting growth or coloration. Of course anecdotal evidence is about the best we can get in this hobby in the course of a discussion that takes us a day to wrap up, and I will settle for it. 
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-Quinn
Man, n. ...His chief occupation is extermination of other animals and his own species, which, however, multiplies with such insistent rapidity as to infest the whole habitable earth, and Canada. - A. Bierce, Devil's Dictionary, 1906
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02-25-2004, 02:53 AM
Hybrid Mode
