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Ehtereal agumments and black holes aside, simply stated flowing water moves material on earth;skimmer's create significant upward flow; whether or not the movement of a particular particle is aided by foam fractionation depends on the amphipathic qaulity of the particle.
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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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