Are you switching to T5

[danny zubot]

That's interesting. I wonder if I will see any benefits of T5 in my 3'x1' tank. Currently, I have 2x150W HQI for a total of 300W of MH. If I go with T5, I can fit a max of 6 lights x 39W for a total of 234W of T5. I would love to find out which is a better setup between these two.
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So many people mis-associate quantity and quality. With the correct bulb configuration you might find that 234 watts of T5 will be better than the 300 watts you currently have. I have 1x 12K 400 watt MH over my tank but didn't really get decent color in my corals until I added 2x 39 watt actinics. They are the true actinics too, not the cheep blue colored ones.

My next tank (36x36x20") will have the same MH but I will add 2 more of the same actinics. I'm convinced that T5's are a very viable light souce, the only down fall is that they don't shimmer.