marcos wrote:

I have 3 goldfish: a black moor, a red oranda and a bronze pom-pom.

How big is your tank?
How frequent and how big are your water changes?
What are your tank's ammonia, nitrIte, and nitrAte levels?

Do a 50% water change with dechlorinated, temperature matched water and
get back to us with the above information...

-Donald
--
"One ought, every day at least, to hear a little song, read a good poem,
see a fine picture, and, if it were possible, to speak a few reasonable
words." - Johann Wolfgang von Goethe