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Thread: Fin rot?

  1. #1

    Join Date
    Jun 2019

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    Default Fin rot?

    0 Not allowed!
    Hello all Iím new to owning fish. I have 15 koi/goldfish hybrids. And one is showing either fin rot or he is being bullied. I put pictures
    up and any feedback is greatly appreciated!

  2. #2

    Join Date
    Jan 2012

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    1 Not allowed!
    Hi there and welcome to the forum. I can't tell from the pics whether that's an infection or physical damage from bullying etc. The two tend to occur together, however.

    I'm concerned that you have 15 goldfish/koi hybrids. It's a common mistake, but unless your tank is truly enormous, that's too much! Please tell us about your tank: What size, what kind of filtration, how long has it been set up. What kind of decor? If you can get a test kit (or at very least, some strips, though they aren't quite as accurate) and let us know your ammonia, nitrite, and nitrate levels, that would help us help you.

    Friends don't let friends use clown-puke gravel.

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