Do I need powerheads in a QT tank with no corals?

artieg1

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In my experience, yes. Biggest dangers by far in a QT are (a) oxygen depletion and (b) ammonia. I found that my QT did much better when I added flow. A HOB is not enough. You want tons of oxygen exchange. This is even more true if you add medications at any point that deplete oxygen.
 

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