I have set one up almost identical to what ur talking about and it worked great as long as you have enough phyto to feed lol.
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printthread.php?t=4149&pp=40There are lots of copepod culturing systems that work for different types: http://www.mbisite.org/Forums/tt.aspx?forumid=96
Be sure to check out: http://www.apbreed.com/products.html
http://www.algagen.com/prod/?cat=16