MH SE or DE better ?

adnantz

New member
I am going to order lights for a new 75Gal. reef this week. I am getting two MH 250 watt with electronic ballast. Not sure if I want SE or DE. Any pros or cons of either would be helpfil. Also for actinics, since I only have 47.5" in my canopy, I thinking two 36" T5 HO Tru Actinic or two 46.5" Fluorescent VHO URI super actinic. Any suggestions or comments appreciated.
 
DE supposedly are more intence. DE will also give more even spread of the light as the light is comming from the middle of the bulb.

Disadvantage with DE is that the bulbs will need to be shielded.
 
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