Unknown, possible columnaris?

[richberstler]

Saw the white/grey spot after I released my new fancy tail guppies into my tank. After I decided it "must" be columnaris I removed her. This morning the other female was also dead. I know this is supposed to be highly contagious so I wanted to see what others may think it is.
Will have to load the pics from a computer in a minute.

[richberstler]

[richberstler]

2 more pics with my actual camera

[richberstler]

Kick for some late night help?

[escamosa]

I'm not 100% sure, but it does look like columnaris. It just doesn't appear to be fungusy yet.

If it is columnaris, it is very contagious, and you have to start treating pretty quickly. A nice large 50% water change and gravel vac, and some kind of treatment, depending on what else you have in the tank. There's a few different things you can use, but you have to be careful with some of them, if you have snails, shrimp, or scaleless fishes, such as catfish, loaches, corys, plecos.

[richberstler]

I did start a bubbler right away and bought aquarium salts (not added just yet). I euthanized the pictured guppy and immediately removed the other female guppy once I saw it was dead. Just sucks I bought it/them this way and now my tank may go back to a grave yard (had a nitrate issue a month ago). None of the other fish I bought were in the same tank at That Fish Place. I hope I caught it early enough, none of the others are showing the same. Yet...

The main problem I am concerned with is I read this is ever present in the water, but not quite understanding how it can get out of control. Maybe I should just get out my 5gal tank and prepare for a hospital...

The only other fish than guppies are pygmy corys. Thanks for the input

i forgot to mention, because of the previous issue I did do several 80% water changes and gravel vacs. But I'm thinking if my water is good again and I did not initially cause the problem my tank just needs prevent defense