I'm in the process ordering my pond supplies and came across this:
http://www.fancykoioutlet.com/supply/fidoshock.htm

Very good price and all the stuff you need. This is about the price we
paid, but we had to collect materials and than make our simple short posts
to hold the wire. ~ jan
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Zone 7a, SE Washington State
Ponds: www.jjspond.us