Check out this amazing video of the filtration system at the Atlanta aquarium. If this link doesnt work, go to CNN.com.
javascript:cnnVideo('play','/video/tech/2006/10/28/sieberg.ga.cleaning.aquarium.cnn','2006/11/04')
javascript:cnnVideo('play','/video/tech/2006/10/28/sieberg.ga.cleaning.aquarium.cnn','2006/11/04')
