Hello all. I very new to this hobby. I am attempting to start a 90g FOWLR and hopefully progress to corals and anemones and such. I'm wanting to know if a mag 18 would be too much for a return pump, and if a 120g skimmer would be too small, in addition to any mistakes that any of you may have made that hopefully i can learn from. Basically any advice will be greatly appreciated.
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