On Thu, 07 Sep 2006 16:37:10 -0400, Brett Miller
wrote:

I know what AC is and how it works. What exactly does it do in an
aquarium? What is it adsorbing? Not the ammonia, NH3 or NH4 is it?
So what? Color, odor?

Thanks
BM

Not much and not for long. I quit using charcoal.

dick