From 0:40 you can see something like a reverse underwater waterfall
http://www.youtube.com/watch?v=yMh9wSllDC4
Is there a name for this device? It looks awesome and I want to have one in my tank.
http://www.youtube.com/watch?v=yMh9wSllDC4
Is there a name for this device? It looks awesome and I want to have one in my tank.