Can anyone Diagnose scale issue on large goldfish.

Colin_T said:

Goldfish need a pH above 7.0 and a GH above 100ppm.

Do regular water changes, gravel cleaning and filter maintenance.

Feed lots of plant matter.

Make sure they have lots of aeration/ surface turbulence to provide oxygen in hot weather.

If they get sick, do a huge water change and add salt.

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Carfalk said:

I have a goldfish that is a over a year old and so he has been pretty hearty. We just had our power restored after 7 days of heat and the aquarium Water was very Dirty. The scales look abraded on the fish. I did what you suggested above with water change and added salt. Should I add salt every day now for a week? I read that helps ich but I don’t think that is the issue. Thanks!

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Deanasue said:

I’m afraid I need a clearer pic. Probably just stress and possibly scraped himself. Scales will grow back. Do daily water changes for 10 days along with aquarium salt at 1 tablespoon per 5 gallons the first day. After that do 50% change daily and add 1/2 tablespoon salt per 5G. Be sure salt is dissolved first.

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Carfalk said:

I agree it looks like he scraped himself. He was scraping against the plastic plant like he was itchy. That sounds like good advice. Water change for 10 days is 20-30%of water? I Know that Adding a lot of salt is not good for a goldfish.

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