Quote:
Originally Posted by orcafood
After adding nori or ground shellfish to my tank, I definitely see it start to rise out of the collection cup on my recirc skimmer. I’d argue that the upflow of bubbles as well as solubilty characteristics of the bubble interface both aid in this effect.
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You could argue that the upflow of bubbles was a contributing factor but you will find no scientific research to back up your arguement. The operation of foam fractionation and froth flotation are understood and “up flow” per se has nothing to do with the mechanism by which these devices separate hydrophobic material from water. If you ran a foam fractionator in outer space, i.e., zero G, where there is no up flow, it would work just as well, though I doubt anyone has.