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Very small particles like bacteria and phytoplankton are not pushed along but rather experience similar forces as molecules that adhere to the water air interface.
Why do you exclude upward flow as a force moving organics and small particulate matter upward. Upwelling is a part of how reefs work. Amphipathic and hydrophobic planktonic microrganisms and particulate matter are attracted to the air water interfaces but that does not exclude the effect of upward flow on them.
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Tom
Current Tank Info: Tank of the Month , November 2011 : 600gal integrated system: 3 display tanks (120 g, 90g, 89g),several frag/grow out tanks, macroalgae refugia, cryptic zones. 40+ fish, seahorses, sps,lps,leathers, zoanthidae and non photosynthetic corals.
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