T5's are aproximatly a 50% increase over PCs give or take for different designes. so you can keep more depending on placment and other requirments. Lighting is just one part of coral growth and you can grow SPS under a NO bulb, but it will be brown, grow slowly and have to be right under the water surface.
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*
Some strive to be perfect.... I just strive.
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