The Planted Tank Forum - View Single Post - LED groupbuy 100w Lumia 5.1 for planted tanks is out!
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Old 05-04-2014, 05:16 PM   #4
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Do you have any more info on this like lumens? Par levels? I see you quote 24x24x24 does that mean it needs to be 24" from the substrate for optimum par levels? Do these need optics? What is the light spread?

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