Thanks for the information Mathas! The only reason we were using the top fin was to get rid of the copper in our system. The sodium thiosulfate was our main water conditioner, but I had no idea about the
chloramine in the water. Sounds like we should re think our conditioners.
The fungus appears on the frogs foot, usually a back leg. The entire foot is practically covered in fuzz then they die. Who would I contact to test the frogs? I'm thinking we should contact our supplier as well and see if they are having a problem with fungus. They could be spreading it to countless pet stores...