Lighting 36" or 48" ATI Powermodule

[maysorum]

Hi. I'm about to set up a new tank and I'm not sure which ATI Powermodule to get. I'm planning on setting up a 90 gallon mixed reef and the tank dimensions are 48x22.5x20. I was planning on hanging the fixture 8-10inches above the tank. The 3 fixtures I was thinking about are:

-48" 6x54W Powermodule T5 High-Output Fixture (too much light?)

-36" 6x39W Powermodule T5 High-Output Fixture

-36" 8x39W Powermodule T5 High-Output Fixture

Which bulb count and length would you get? Here's a link to the specs:
http://www.reefgeek.com/lighting/T5_Fluorescent/ATI/Powermodule_Fixtures/

Thank you for your help!

 

[fatboyt123]

i would go with the 48" 6 bulb fixture. On my sisters 55 gallon with have a 48" 4 bulb.We have sps and then mainly softies so i wouldnt think it would be to much light at all.

 

[luke33]

^^^ I'd agree with that, the 6x48" for sure on that wide of a tank

 

[roscoe]

3rd^^^^^^^^^^