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post #8 of (permalink) Old 02-13-2007, 07:43 AM
Planted Tank Guru
Join Date: Sep 2006
Location: Northern California
Posts: 9,417
It's because doing a water change will super-saturate the water with oxygen, at least for a while. Think of all the water movement and surface disturbance involved in a WC.

Personally, I like the looks of bubbles flowing through my tank.
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