Ian,

Just in case a net isn't workable or aesthetically pleasing, many are
finding the Scarecrow Sprinkler works just as well.

Read about it below and then do a search to find it locally. ~ jan

http://www.km01.com/index.html

See my ponds and filter design:
http://users.owt.com/jjspond/

~Keep 'em Wet!~
Tri-Cities WA Zone 7a
To e-mail see website