Bacterial or fungal infection

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AaronKWolfe

Polypterus
MFK Member
Oct 24, 2019
337
280
87
49
Have you tested your water?
Yes
If yes, what is your ammonia?
0
If yes, what is your nitrite?
0
If yes, what is your nitrate?
<10
If I did not test my water...
  1. ...I recognize that I will likely be asked to do a test, and that water tests are critical for solving freshwater health problems.
Do you do water changes?
Yes
What percentage of water do you change?
21-30%
How frequently do you change your water?
Every two weeks
If I do not change my water...
  1. ...I recognize that I will likely be recommended to do a water change, and water changes are critical for preventing future freshwater health problems.
I have a school of rummynose tetras and noticed one of them had a white sludge on it. Given the sludge didn't look fuzzy, I was thinking it was bacterial in nature, so I ran a treatment with Maracyn-2. This didn't work, so now I'm wondering if I misdiagnosed it as bacterial when it was actually fungal in nature. What do you guys think should be my next steps?

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