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paulamrein,
I put that in CAPS to make a point that many people miss. Uronema is not a FW parasite, it is brackish. Please read the last line that says reverting to hypersalinity won't knock it back - once it gets a foothold. Uronema is an ubiquitous protozoan that infects the fish during periods of low salinity.
You asked for a reference - sorry, this is pretty much a mis-identified issue, like I said. There are a couple references to it in my book, "Advanced Marine Aquarium Techniques" - specifically in the drug dosing section:
Anti-protozoan treatments (external):
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Copper sulfate: 0.20 ppm for 14 days
Formalin: 20 to 25 ppm every day for 3 to 5 days
Freshwater dip: 5 minutes twice a day (control only, not a cure)
Osmotic therapy: Specific gravity of 1.014 for 10 days (Watch for concurrent Uronema infections)
Metronidazole: 10,000 ppm in food for 5 days (Helpful for internal protozoans as well)
Jay Hemdal
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