This patch of white/yellow wasn't there yesterday. I immediately thought Columnaris (but it is only on one side). Does this look like Columnaris or something else (fungus, injury)? He is a relatively new fish. I q'd him for a week and then added him and another gourami to the tank together. The other is fine. They have been in the main tank for about 4 days now.
I have a 2.5 gallon tank that I 'm using for a q/hospital tank. Right now there's a fancy guppy in it recovering from fin rot. The guppy was never in the main tank. He developed fin rot while in quarantine and am done treating him. However, now I don't want to add him to the main tank.
I have upped the oxygenation (by turning up the aerator) and lowered the temp in the main tank (temp is currently 78 and I don't know if it will come down any further).
What meds to use? Treat fish separately or whole tank? Dosage requirements for any med will be tough to figure out in the 2.5gal tank, but that's all I have.
Thanks,
Michele
29G Semi-Planted
pH 7.4
Ammonia, Nitrites 0
Nitrates 5ppm
FYI- This photo was taken early this morning. The patch looks a little bigger now 12:42 eastern time...

I have a 2.5 gallon tank that I 'm using for a q/hospital tank. Right now there's a fancy guppy in it recovering from fin rot. The guppy was never in the main tank. He developed fin rot while in quarantine and am done treating him. However, now I don't want to add him to the main tank.
I have upped the oxygenation (by turning up the aerator) and lowered the temp in the main tank (temp is currently 78 and I don't know if it will come down any further).
What meds to use? Treat fish separately or whole tank? Dosage requirements for any med will be tough to figure out in the 2.5gal tank, but that's all I have.
Thanks,
Michele
29G Semi-Planted
pH 7.4
Ammonia, Nitrites 0
Nitrates 5ppm
FYI- This photo was taken early this morning. The patch looks a little bigger now 12:42 eastern time...

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