05-15-2007, 02:21 PM
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I would be surprised if it was a cotton-wool thing, it doesn't have an appearance like wool. Not to mention at the first sign, (this is my second batch showing this although my first had additional symptoms, and those photos may complicate the discussion), I treated the tank with the Tetracycline I'd had on me to try before.
I would have thought if it was a Flex or Columnaris thing, it might have responded, but it didn't at all. So I only did the one 5 day run.
I tried over the course of 8 weeks through different means to cure it (and no not all at once): Salt, Melafix, Pimafix, CopperSafe, Maracyn, Garlic, Maracyn II, finally Formalin for Fungus, and finally 2 weeks of daily fresh water changes. Nothing seemed to make a difference, so it was thought by then it was NTD which is why I bleach bombed the tank.
I still have 3 of those original 6 neons though - they're white patches finally went away without my noticing. How? I have no idea since they are definitely not in optimal conditions. (I thought it was hospice, but they've been in my Sickly bin for 3 months.)
Now the NEW fish who were carefully QT... they have those white bumpy patches. It looks like things are sticking out on each side of the tail, over a raised area. Most fish tails are very slim and flat, especially on these little neons, and right before the fin it bulges out with these white lumps sticking out.
Maybe it's a small development if it is cotton-wool (which is a fungus problem?) but it definitely is defined little bumps emerging from a larger one, not cotton in appearance at all.
In my Googling, I'm actually wondering if it's maybe Lymphocystis....
EDIT: You couldn't call what I do for my tank "neglect." Everyone I know thinks I'm weird. Daily, every-other-day, twice a week 50% water changes, constant NitrAte testing, thorough vac's, etc. The highest my tank has ever seen is 20ppm NitrAtes, though it's almost always 10ppm.
And after their appearance I've switched to mostly bottled water, so I'm definitely not being cheap in trying to find the answers.
I wish now I had taken those photos last night after the water change... I just ran out of time. :/