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Old 01-18-2022, 01:40 PM   #1
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Goldfish help

Hi, Iím new to this forum and hoping for some help. I acquired a goldfish who is around 10 years old. Heís been inactive recently and stopped eating. I managed to get him eating again but noticed he has a pink shadow on one side of his head that appears to be getting darker. Does anyone know what this could be and how best to treat it please?

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Old 01-19-2022, 03:25 AM   #2
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Can you post some more information please.

Could you post a photo?

What are your tank parameters (ammonia, nitrites, nitrates, temp, pH)? Please give exact values.

How large is the tank? How long has the tank been set up? You say you have recently aquired the fish, did you aquire the old tank filter etc too or is it all new?

What type of filtration are you using? Please give the name and number (i.e. Fluval 304) and amount of*gph*if known.

How many fish are in the tank? What kinds of fish are they and what are their current sizes?

When is the last time you did a water change and vacuum the gravel? How often do you do this? How much water do you remove at a time?

How long have you had the fish? If the fish is new, how did you acclimate it/them?

Have you added anything new to the tank--decor, new dechlorinator, new substrate, etc.?

What kind of food have you been feeding your fish, have you changed their diet recently?
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