leave it for a day and then treat the tank again. Do a 50% water change before re-treating the tank and that will prevent you overdosing it. The water change and gravel clean will also lower the pathogen s in the water and help the medication finish doing its job.
the extra poo coming out of the sick fish is probably from the extra food it is being fed.
the extra poo coming out of the sick fish is probably from the extra food it is being fed.

