How many radions would I need for a 24''x24''x24'' cube with sps in the middle to upper half of the tank and zoas in the bottom half? I read that they have a 24''x24'' coverage, but the PAR distribution graph you have presented leads me to wonder if I would be able to get the PAR my sps would need near the sides of the tank if I didn't have the fixture at 100%.
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-Matt
in between tanks
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