Thread: Is it about time to change the T5 light bulbs? Par meter readings
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Unread 05/20/2009, 06:10 PM   #3
kangym
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Join Date: Feb 2005
Location: CA
Posts: 348

ATI 10 x 54W 5 inches from water level


Apogee par meter


A plastic stick hold the light sensor tied with rubber band


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