Diseases Of My Gold Fish...

[fisho_fisho]

do you know what disease is the redness around the eye of a fish??
and what is also the disease that makes the swim vertically and hard to breathe??
do you have any ideas what can I do to my gold fish??

 

[WILDER]

Size of tank in gallons or litres.
How many fish and which type.
Water stats in ammonia, nitrite, nitrate, and ph.

Immediate water change and increase aeration.
Need to answer some of the above questions first.

 

[WILDER]

Common goldifish 20 gallons for the first goldfish, then 10 gallons for every other one added.
Fancy goldfish 15 gallons for the fish goldfish, then 10 gallons for every other one added.
They are massive waste producers so need double filteration the the tank size.