Question about circular tanks
 

I had a friend ask me today about circular aquariums other than the fact they look cool I know absolutely nothing about them can anybody give information about them

Setup and piping
Maintenance
Circulation


And anything else that may come to mind

http://img.photobucket.com/albums/v4...ps6882fa31.jpg

They are really expensive.

We find it much easier using the magnet to clean the glass on our standard aquarium compared to our bow front. Not much of a curve either, end up using a scrubber on a stick.