Lighting set-up...

It looks like I will be working with 2 150w HQI pendants...and up to 4 VHO bulbs...I am going to have to build something for this all to hang from....How hight should HQI's be from the water....and should the VHO's be at same evel or should they hang lower?
 
Most people hang flouros at the same level as the halides, because its easy, looks clean, and it keeps them out of the way.

That said, Flouros are going to be best utilized an inch off the water surface.
 
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