Posted by rsaqua on March 08, 2003 at 18:58:14:
In Reply to: water column posted by urozero1 on March 06, 2003 at 21:01:08:
:What is the water column?
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The water column consists of the total volume of water contained inside your aquarium and through your filtration loop.
Anything submerged is considered "inside" the water column.
russ
