Planted Tank VIP
Join Date: Jul 2002
Location: Victoria,British Columbia, Canada
If it is Columnaris, you really need to be pretty ruthless with it. Put any infected fish down as it is highly contagious, and it spreads so rapidly that it can be detrimental to an otherwise healthy tank.
I lost 90% of the fish stock in my 22 gallon last year when a recent addition turned out to be a carrier. It was pretty tragic, in the space of 48 hours I lost my entire collection of guppies, platties, and 1 Cory