The Planted Tank Forum - View Single Post - LED groupbuy 100w Lumia 5.1 for planted tanks is out!
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post #4 of (permalink) Old 05-04-2014, 06:16 PM
Algae Grower
moorin's Avatar
Join Date: Jun 2009
Location: u.k
Posts: 106
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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