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Old 05-24-2017, 12:47 PM
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Join Date: May 2016
Location: bronx
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Cool. Just asking. I was told that i would have been good with 2 hydra 26's.
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Old 05-24-2017, 01:52 PM
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Join Date: Nov 2011
Location: ny
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Bigger hydra or radion gives you deeper penetration. So deeper tank you need deeper penetration. Radion or hydra do about 24" spread. They claim they can do up to 36" but then you'd have to raise the light to increase the spread, lowering overall intensity.
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