I was wondering if you think it will be too much light for my 55 gallon if I put a 2x250 watt metal halide set up on the tank? That's 9 watts per gallon. I'm thinking that might be too much. Or should I look into a 2x150w set up? That's about 5.5 watts per gallon. I currently have zoanthids, kenya trees, Montiporas and some acros. Also keep in mind that I might upgrade to a 75 in the next year or so.
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