Ichthyophthirius multifiliis is a ciliated protozoan which causes "Ich" or "white spot disease." Many times I see people with this disease problem May I strongly suggest that you link to the following article - very concise and factual...


http://edis.ifas.ufl.edu/BODY_FA006

Thanks eric. I've put that one in my favourites list in case I have a problem with that disease again.