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Discussion Starter · #1 ·
I'm going to buy some LED's and have been debating about the configuration. This is what I've come up with over at buildmyled.com and wanted some feedback on what people thought. Anything you would change?

My tank is 72"L x 18"W x 24"H (4" substrate height). I plan on getting two 36" long fixtures.

I'm going to go with 60 or 75 degree optics (opinions welcome on optics).

The pattern below is repeated every 12".

  • 5700K
  • 470nm Blue
  • 6500K
  • 660nm Deep Red
  • 5700K
  • 5000K
  • 450nm Royal Blue
  • 525nm Green
  • 6500K
  • 5700K
  • 660nm Deep Red
  • 5000K
  • 470nm Blue
  • 5700K
  • 6500K

Estimated Electrical Watts-55.5
Radiometric Watts-14.4
Wall Plug Efficiency-26%
Lumens-3304
Lumens per Watt-60
CIE X-Coordinate-0.275
CIE Y-Coordinate-0.247
CCT-16450
CRI-83
PPF (micromoles/sec)-64.3
PPF Efficacy (PPF/Watt)-1.2
Blue (400 – 499nm)-37%
Green (500 – 599nm)-32%
Red (600 – 699nm)-30%
Far Red (700 – 750nm)-2%
 

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999 Posts
Discussion Starter · #3 ·
I went a different direction and got a couple ATI units instead. I liked them both but wanted more spread for less money. If money wasn't an issue or my tank was smaller I would have gone with an LED unit.

From my interactions with buildmyled.com they have great customer service in terms of responsiveness. I plan on setting up a smaller tank (40-55g) later this year in another room and I'll probably go that route then.
 
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