Ok guys I just got 2 mh 4oo watt m59 shop lights I'm going to hang 21 inches from my tank what kind of bulbs should I get for them as there are many opions also should I still do any t5 s in there I'm done with total t5 fixtures and led is really expencive but I can grab cheap ballasts for t5s if you guys don't think 2 mh is good enouh over a 150 gal