I'm thinking about getting one.
http://images.google.com/images?hl=en&rlz=1R2GGLL_enUS343&um=1&q=fluval+edge&sa=N&start=0&ndsp=18
http://images.google.com/images?hl=en&rlz=1R2GGLL_enUS343&um=1&q=fluval+edge&sa=N&start=0&ndsp=18
IMO, they are only good for shrimp or plants, and maybe a couple TINY nano fish, and too expensive for thatThe surface area is so small, i can't imagine that it would be good for the fish. There isn't enough area for efficient gas exchange.
Kristina