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Old 20-06-2013, 09:26 AM   #66
SantaMonicaHelp
Arofanatic
 
Join Date: Oct 2011
Posts: 116
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First 13 days of growth in a floating surface scrubber. This one used four LEDs of 3 watts

each, 660nm (red), but you could also use a CFL bulb...

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