"Frederick B. Henry Jr." wrote in message
...
Feed sparingly, as I said. I am at a loss...
===============
Feeding them *sparingly* could be causing stress for fish after 2 months.
Excessive food and fish waste doesn't seem to be causing your problem.
--
Koi-Lo....
Frugal ponding since 1995.
Aquariums since 1952.
My Pond & Aquarium Pages:
http://tinyurl.com/9do58
~~~~ }((((* ~~~ }{{{{(ö ~~~~ }((((({*