I put on a sock only when moving/disturbing/bastering inside my display... If I leave a sock on all the time (even as large as a 300 micron sock), it fills up in about an hour. (I've measured my return flow at 1600 GPH)
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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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