Welcome to the PB forum .Can you post a pic or describe your pond situation. It may well be red euglena a type of planktonic algae. Here is are 3 threads on it.

http://www.pondboss.com/ubb/ultimatebb.php?ubb=get_topic;f=13;t=000055#000003

http://www.pondboss.com/ubb/ultimatebb.php?ubb=get_topic;f=20;t=001949;p=1

http://www.pondboss.com/forums/ubbthread...=true#Post38613


See if you can see the red streak here.



Last edited by ewest; 06/21/08 09:24 PM.