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07/25/2009, 09:26 PM
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Registered Member
Join Date: May 2005
Posts: 582
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How far down?
I am gonna put an 8 bulb tek on my 90g. I have been running an outer orbit 2x250w (10k) with 4 54w t5. I have sps at the very top, 5 inches or less from the surface, to about way or more, around 12 inches. Will these lower sps be ok? Anyone think the ones at top will have an issue? Thanks.
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