I just got a BioCube 29 gallon aquarium, I need help with the water level?

Aug 12th 2008BioCube Aquariums

Justin asked: This is the first time I am setting up my biocube . I had a question about where the water is pumped back up into the tank part of the system. On the side of the tank, there is a little piece that you can see in the tank. [...]