On 18 Sep 2006 12:40:02 -0700, "fish" wrote:

Ive heard that mussels and clams are a good natural way of filtering my
pond, i am wondering what the pro`s and cons are, my pond is 24000 lts
with running water from a water fall, I would be greatful if someone
could help with my quiery.
Thanx john

Depends on what kind of pond, what is in it. Mussels & clams can be
intermediate hosts to fish parasites. ~ jan
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Also ponding troll free at:
http://groups.google.com/group/The-Freshwater-Aquarium