My understanding of the Aurora fixture is that its par performance is less than stellar due to the fact that the LEDs have no lenses or reflectors to punch through on deeper tanks. The LED boards are just bare diodes without any optics.
Here is a review and discussion of the Aurora in a prior ReefCentral thread…
http://www.reefcentral.com/forums/sh....php?t=2515803
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- Leon (aka - Water Dog)
Deep Blue 57 Edge ATI Acro Garden Build Thread
http://www.reefcentral.com/forums/showthread.php?p=25573384#post25573384
Current Tank Info: DeepBlue 57 Edge
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