Planted Tank Guru
Join Date: Dec 2017
Location: Elk Grove, California
I would give the fish a day and monitor for any other symptoms. Since it is only 1 fish, adding other fish to aquarium may have stressed it and it was a weak fish to begin with. That would be the best case scenario.
Also, keep close eye on other fish.
If columnaris, kanamycin and nitrofurazone would be the treatment.
But, give it a "wait and see".
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