Fish Tank Acting as a Syphon

Do you know what will happen if you have a hose with one end in the water and the other end of the hose ABOVE water level?
Answer: nothing.

Now for the trick question: What will happen if you have one end of the hose in the water and the other end of the hose outside and it is BELOW water level?

Answer: You get soaked carpet and pad!

Now you ask - did we learn anything from this? Well, let me go ask RYAN to see what his answer is :)