So, I finally got my light kit and built a box and hung them from my
ceiling.

Setup:

2 X 250 Watt Metal Halide 10,000K

2 X 54 Watt(I think) Actinic T5 flourescent.

That's mounted in a metal reflector.

4 X Blue LED lights for my nighttime pleasure.

I built a wooden box (lights are separated from wood by metal and
spacers provided so not a fire risk(I hope)) And put a 4.5" Radio Shack
Fan to evacuate the hot air. There is a piece of glass shielding the
whole bit from the water.

Questions:
1. How high above the waterline should the lights hang?

2. How long should each of the lights be on? I understand there is a
cycle I should follow...Like 1 hour actinic....then X hours both...then
1 hour actinic. Not sure what the recommendations are. As with all
things in the hobby opinions are varied. Thought I'd try here.