L204 white growth on skin

  • We are currently upgrading MFK. thanks! -neo

amazontank

Redtail Catfish
MFK Member
Nov 14, 2010
1,323
602
150
Miami and San Diego
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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 week
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.
My l204 has gotten this white bump like lessions on his skin.
Is this columnaris?
It's the only pleco with these lessions out of 10.
Should I just separate right away in another tank? Or should I treat the whole tank?
All the water parameters are good.

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