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Thread: Temperature requirements for beneficial bacteria

  1. #1
    Tosai
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    Temperature requirements for beneficial bacteria

    I've just about decided how I'm going to prepare for this winter. My solar blanket will arrive next week, and I'm building a "box-like" frame to cover my pond. I'm performing a cost analysis for heating my pond. I tried "searching" the threads, but could not locate the info. *Just curious if anyone knows the minimum temperature requirements for beneficial bacteria to grow. I'd sure appreciate the info, thanks in advance.

  2. #2
    Oyagoi kntry's Avatar
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    If I remember correctly, 55.

  3. #3
    MCA
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    Honmei MCA's Avatar
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    just as important....when does koi immune systems start to shut down.

    Usually in the 50-55F range. Hence....keep the pond above 50F if possible.

  4. #4
    Tosai
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    I'll do my best to keep the temperature 55-60 degrees F. Thank you very much for the info!!!

  5. #5
    MCA
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    Suggest letting the temps slide down to 50F for a couple of weeks around Jan 1. Needless to say...no feeding in that range.

  6. #6
    Tosai
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    Is that to prevent "egg binding" in females?

  7. #7
    MCA
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    No, it is to give these temperate zone fish the 4 seasons that serves them best. Give them at least 2 weeks of cool (not bitter cold) water and no food in the winter...because it is their winter...hopefully a mild one.

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