Gary Woods wrote:
"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

In an aquarium, quite correct.
--
ßôyþëtë