Proper water inlet level?

Not to the point it washes out the substrate, but its nice to have it
chop into the usrface to break up any surface skum, so the iflter can
catch it, and also to aid in gas exchange. I adjust mine so its at the
point its not inducing any bubbles when the water drops, but sitll
chops up the surface film... I use pieces of acrylic under the filters
lip that hangs on the tank to raise it if needed.
On Sat, 11 Feb 2006 16:38:51 -0700, Robert
wrote:
Is there a "best" level for the water inlet to an aquarium?
Specifically, does it matter whether the inlet is above or below the
water level.? Could you please tell me the pros and cons, (if any)?

(For simplicity, please assume that all filtration (both mechanical
and biological), and aeration take place outside the tank, and that
they are all "adequate".)

Thank you very much,
Robert

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