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#3
01-17-2014, 02:22 AM
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I would also suggest no check valve. They will fail at some point (even with maintenance, and even a brand new one has a potential to allow backflow).
But, since I'm always open to new thoughts and ideas -- I would love to hear your requirement... maybe we can help brainstorm another option, or learn from it 
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Single System Setup: 210G SPS reef, 225G FOWLR, 72G water change, 50G frag, 120G sump. I promise a journal at some point! (anyone need some coral frags? I likely always have stuff that is frag-ready) 
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