The Planted Tank Forum - View Single Post - LED groupbuy 100w Lumia 5.1 for planted tanks is out!
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post #5 of (permalink) Old 05-08-2014, 07:42 PM Thread Starter
Algae Grower
Join Date: Jan 2011
Location: Cali
Posts: 63
Originally Posted by moorin View Post
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?

you want to hang it about 4-8" from the water line in a 24x24x24 tank.
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