Yes, can we see pics to back up that MH is better even in a smaller tank. I had PCs over a 75g and then went with 2x175w MH, didn't notice any difference in my tank. Granted, I only ran the halides for 2-3 months before I had to take the tank down. I've been looking for 70w bulbs but they seem hard to find and the color is yellow even in the higher K's.
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Marty
50g reef, bubble king skimmer,20g sump,zeovit system, PM cal reactor
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