You're definitely going to want MH
lighting for the sps
As far as the MH
bulbs go, there are several different types. Anything in the color temperature range of 6500k (green-yellow to human eye) to 20,000k (blue-ish) is acceptable for reef tanks.
A hydroponics store can be a good option, but beware the color temp. Many of these bulbs are sub 6,000k - which produces an extremely yellow-green tint (and also promotes algae growth).
I personally like 6500k bulbs with a lot of actinic (VHO
) supplementation. If you don't want to provide considerable actinic supplementation, go with a higher color temperature.
Depending on what you want for corals, 250w bulbs may be sufficient, but depending on the depth of the tank, this might limit you to placing sps
's in the upper half of the tank.
I'm not aware of too many fish that are bothered by bright lights (unless they are typically deep water/cave dwelling fish) - assuming that you are offering them adequate LR
shelter if they want to hide.