I'm wondering about the lighting requirements of a marine 'planted' tank. I am upgrading my 30 gallon FW tank for a 60 gallon and I was thinking about using the the 30gal as a SW algea tank. It's got fluorescent tubes, about 2Wpg. I was wondering if I can grow some of the macro algae with the lighting it already has. I know this is nothing like reef lighting but seeing as people use algae in their refrigerium I'm thinking it might be possible even if the results are not so spectacular as some. It's hard to find info on this. Any input would be great.
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