DIY sponge filter with UGF tube and pond sponge?

[jefferzbooboo]

Here's a DIY sponge filter I threw together quickly. Anyone have any recomendations on changes or if it'll work?

 

[knifegill]

Other than floating, it looks great!

 

[BlindSight]

I have some extra undergravel tubes and lines I need to make one of these from my little 2.5gal shrimp tank.