Pond and Fish deteriorating

Discussion in 'Introductions' started by Mina, Feb 20, 2017.

  1. Mina

    Mina

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    I have a 3 foot deep outdoor pond with comets and koi about 6 years old. The comets have started to die, first one now and then, but now quite a few. I'm in Maryland and it's been a mild winter. I have a leak and have been feeding water in constantly from a well. It used to fill from our big spring fed pond. It's aerated and they have been fine previous winters.
     
    Mina, Feb 20, 2017
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  2. Mina

    MitchM

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    Have you done any water tests?
    Can you describe the filter setup and water circulation?
    What are the other dimensions of the pond?
     
    MitchM, Feb 20, 2017
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  3. Mina

    Meyer Jordan Tadpole

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    In particular, have you tested the source (well) water?
     
    Meyer Jordan, Feb 20, 2017
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  4. Mina

    sissy sissy

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    I am guessing here that koi are bigger than the comets .Usually bigger fish die first .Testing water is important .Have you taken the dead fish out right away .
     
    sissy, Feb 20, 2017
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