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  1. T

    Symptoms of Aluminum Poisoning?

    A few weeks ago I thought it would be cool to do a bonsai grow in an altoid tin. Unfortunately I didn't realize the aluminum from the metal tin would be a problem until it was too late. I believe my little plant has a case of aluminum poisoning. Do any of you know the symptoms of aluminum...
  2. ballast

    LED Lab 2009

    High power Light Emitting Diode technology has improved tremendously in the past few months, in my opinion offering great potential for micro growers. Emitter luminous output and efficiency have near doubled since much of the LED posting around here, and likely will improve even more by the...
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