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Old 05/06/2012, 11:57 AM   #47
jfingers8
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Join Date: Feb 2007
Location: MA
Posts: 558
If I can grow SPS on the bottom of my 75 gallon that is 18" deep and running it at 50% intensity natural mode, I think its putting out a little more than 50 PAR down there according to Sanjay's testing.


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