By placing a power head near the surface of the water in your display tank you are accomplishing 2 things.
1. You are mixing 'more oxygenated water with less oxygenated water which is found lower in the tank.
2. If your power head is creating a ripple effect on the water surface, the water is being oxygenated in the same way that a moving steam in nature is as opposed to a sitting pond for example.
No scientist here but it makes common sense, doesn't it?
Last edited by naesco; 08-30-2009 at 09:15 PM.
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08-30-2009, 09:13 PM
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