One thing to consider with an external overflow is the space available behind the tank. My tank is about 2" from the wall, and that was where I wanted it. That ruled out an external overflow. A corner overflow is easier to hide IMO because it's typical to have a tall rock structure on one side whereas a tall structure in the middle isn't as attractive. I consider a coast to coast overflow but then I've got the entire back side of the tank using up the available width. I'm sure it skims better but I wouldn't want a shelf running the length of my tank. If I could go external that would be a good thing, but not internal. Again, these are all just opinions.
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11-24-2006, 02:34 AM
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