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Old 07-17-2006   #6 (permalink)
KoiCCAPW
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Join Date: Sep 2005
Location: Cupertino,Northern CA ,U.S.A.
Posts: 229
Here's an interesting thread on an Austrailian Koi board about protein skimmers. There's some detail on construction. Looks similar to this one.

http://ksakoi.com/bb/index.php?topic=168.0
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