Interesting filtration comparison videos

[iceman86]

I came across a few videos of different filtraion methods and I thought id share to help some of you guys better understand the different methods and results. This is a controlled experiment so the tank maintenance and lighting was all the same except for the filtration.

http://www.youtube.com/watch?v=Ah0MLdWI1Ag
http://www.youtube.com/watch?v=WNHwvKgKFTA
http://www.youtube.com/watch?v=4iSW_GPP9ac

Enjoy!