Hi Zydrag
[welcome]
For a fish only any light that pleases you is fine. As I said in this month's column-
Quote:
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This is fine if your marine tank will be a fish-only (FO) system because saltwater fish are no more demanding in terms of light intensity than their freshwater cousins.
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On the other hand, if you plan to latter change to a reef tank then you are wise to use more intensity from the onset. T-5 lights should be fine on a 75 gallon. I would try to use a combination of 30% actinic and 70% daylight T-5's that total about 300-400 watts. That should handle most corals you latter purchase.
If you didn't read this month's column you can find it here-
Lighting