"ned" wrote:

But then, they are higgorint. They don't know about airstones.

I remember reading years ago in an aquarium magazine that airstones didn't
aerate the way you think. It's the constant turning over of the
oxygen-saturated top layer that really does it. Which is why a power
filter accomplishes the same thing.


Gary Woods AKA K2AHC- PGP key on request, or at home.earthlink.net/~garygarlic
Zone 5/6 in upstate New York, 1420' elevation. NY WO G