Reefkeeping South Africa » Marine Aquariums of South Africa » mh vs mh

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  mh vs mh

  Posted: October 11th, 2011, 4:47pm CDT by Tremayn

  Hey guy's .. I wanted to know with Mh is it the watts that matter most or does the size of the globe play a role etc. So what Im asking is would 2x 150w mh push out a bit more that 1x 250w mh?