Originally Posted by zma21

If I were you, I would get a medium grade sand.

In my 40 cube, I got very find sand, and it blew around like crazy making the water cloudy near the bottom. Seriously, if the clownfish would fart there would be a huge sand cloud.

I'd think about it again, cause it's a BITCH switching sands after the tank is established. Not that I would know.