Need help

[Tipton34]

I was at the aquarium shop and i saw an aquarium setup and i don't know what it was called. It was several different aquariums joined together and each one had a place where water flowed from the top one down to the next one, then that one flowed into the next lowest one. They were all separate tanks but they had a little cut out for the water to flow through to the next tank. Does anybody know what this is called?????

 

[adammorrill]

Is it an overflow tank? I know what your talking about because my lfs has one too, but i forgot what they were called...

 

[Autumnsky]

How big were the tanks for each level? (water capacity)

Call the store, I am interested!