Got it today but I have a small aerator for it and if needed I think it will be good even for a 10-20 gallon aquarium not for cleaning but as a kind of air stone/sponge. It comes with a short hose and flow regulator which I really like for my 5 gallon Betta aquarium. This tank is still being grown and cultivated, so I think it will do a lot to keep the water surface from standing still.
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