This is a short intro to aquaponics.

 

The above will give you a brief view however the setup is a bit different.

The picture is very basic and there is more to come.

 Have a look at a basic home aquarium setup.

http://www.youtube.com/watch?v=dz6m5370RB0&feature=player_detailpage

Again I found root bags to be much easier.

You Choose.