Nets
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Apple Valley, MN. 55124  USA
Phone:  952-738-1653
E-mail: koiValley@yahoo.com
Columnaris
Mouth Fungus, Fin Rot, Cottonmouth Disease:

This is not a fungus or a mold. This is a bacterial infection-gram negative. The problem is that it can somewhat
resemble SAP. Symptoms include grayish white spot on the head, gills or body sometimes surrounded by a reddish
tinge. It can be topically treated with malachite green and then given antibiotic injections per the charts listed in that
section.