The reflectors I'm looking at are either 4,6, or 8 bulbs in the 36" length. Judging by the results on that 120G tank then I would think that 4 39 watters would be enough. The tank I want the lighting for has no canopy and I don't want to hang a pendant so I think the T5's are the way to go.
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72 G Mixed Reef
155 Bowfront
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