We used old carpet on the bottom of our pond and slathered wet newspaper on the
sides.
We don't have a bottom drain and we do have fish and we cleaned a TON of debris
out of the bottom this spring. It is handy to have several teenage boys at this
stage of ponding.
k30a
and the watergardening labradors
http://www.geocities.com/watergarden...dors/home.html