What I've HEARD:

String a couple of runs of monofilament fishing line above the pool, 6-10 feet up or so. The birds should get a glimpse of it as the fly and turn away. I think they equate it with spider web, and avoid the area.
 
Thread Status
Hello , This thread has been inactive for over 60 days. New postings here are unlikely to be seen or responded to by other members. For better visibility, consider Starting A New Thread.