at a 24" depth, you won't have your SPS on the bottom.. well let me refrase that.. they will grow and live but they will rely more of feeding than light for energy. over 20" I recomend MH as well as T5, you can keep them with just the T5 but idealy MH will give you that extra edge.
Steve
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 *everything said above is just my opinion, and may or may not reflect the views of this BBS, its Operators, and its Members. If cornered on any “opinion” I post I will totally deny having ever said this in a Court of Law…Unless I am the right one*
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