Would be nice if someone conducted a true experiment on this. It could actually be done, you'd think RC could sponsor it or something. All this talk and no actual testing. I'd really like to know if I really needed to put 4" of sand in my tank, I would rather have done 2" or so.
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-Quinn
Man, n. ...His chief occupation is extermination of other animals and his own species, which, however, multiplies with such insistent rapidity as to infest the whole habitable earth, and Canada. - A. Bierce, Devil's Dictionary, 1906
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