Heat generation and lighting choice

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mikro402

Reefing newb
I have been reading alot about T5 and MH lighting. One thing I'm trying to figure out is how much heat will be generated between the different choices. I definitely want to have either T5HO or MH.
So is heat much higher with MH than T5 or are they close?
(I am trying to avoid buying a chiller. )
How about bulb life and power usage?

I have a 75 gal. 48 X 18D X 20H tank.
The tank is in the basement so it stays around 72 year round.
I have been looking at the AquaticLife 6 X 54W Lamp T5HO, and the Current USA Outer
Orbit 2x250W 10,000K HQI with 4 X 54W T5 HO & 18 Lunar Lights
I would like to eventually keep some sps and lps

TIA
 
There is a big difference in heat between T5 and a MH lamp. My heat index went way up once I went onto MH. Of course it all depends on how you have the lights mounted (do you have a conopy, or open top). Fans running can help reduce temp also.

Aquatic life makes nice fixtures, and their CS is top notch.
 
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