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  • Results 1 to 5 of 5

    Thread: Lost a koi, popeye, questioning treatment

    1. #1
      two_wheeled is offline Senior Member
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      Question Lost a koi, popeye, questioning treatment

      Hi, I'm trying to learn better ways to care for sick fish. I lost one of my smaller koi today. He was swimming very slowly, lethargic, but upright. Eyes were popping out.
      Research suggested it would be a bacterial infection that might be helped by a salt bath. So I prepared a 5-gallon bucket and filled it with fresh water and used SAFE to dechlorinate it. Added a bubbler. Added 0.6% salt per the koiphen calculator.
      The fish was dead with 1/2 hour.

      Was this the right treatment?
      Did I shock him by adding him to the salt right away? Should I have done it more gradually?
      What would you have done differently?
      Admittedly, my ammonia levels were high but aren't usually this high but I didn't think that 0.5 would cause this.

      date time ph ammonia nitrite nitrate Temp
      9/13/2021 12:00 PM 8 0.5 0 80 85
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      -Steve in Phx.
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    2. #2
      Namo_Amituofo is offline Junior Member
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      In retrospect I'd put at least 50% pond water into the bucket first, and add the remaining 50% as dechlorinated fresh water.

      Fresh water can have quite different temp than pond water especially on a warm day which may shock fish to some extend.

      Also did you put in an airstone into the bucket?

      I had a small koi that suffered from several ulcers due to bacterial infection - some were really big with bare muscles showing through - I put it into a small QT (100 litre) with 50% pond water and salted to 0.8% straight away. I then did 50% water changes per day due to trace ammonia showing - still did not save the fish after 1 week (with tropical antibiotics treatment as well). I'd say even if we did all we could sometimes we still end up losing fish that's just the sad way it is with fish keeping.

    3. #3
      two_wheeled is offline Senior Member
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      Quote Originally Posted by Namo_Amituofo View Post
      Also did you put in an airstone into the bucket?
      Yes
      -Steve in Phx.
      Novice Extraordinaire

    4. #4
      icu2's Avatar
      icu2 is online now Administrator ~ WWKC Treasurer
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      I read here that .1% per day is recommended but Simi Koi said he'd gone .3% many times without an issue.
      .6% might have been too much. Just thought I'd add this info because I didn't know either and happened to
      find some guidelines in this thread:

      https://www.koiphen.com/forums/showt...-Salt-question

      Another on possible reasons for bulging eyes:

      https://www.koiphen.com/forums/showt...g-bulging-eyes
      --Steve
      ..WWKC Treasurer


    5. #5
      kdh is offline Senior Member
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      Your koi probably had a bacterial infection and was about ready to die. You treating with salt does nothing for this issue. Moving the koi and putting it in salt is what pushed it over and would not consider this something you did wrong as this was just added stress. However salt all at once at .06 is not recommended for a koi that is in ill health like yours. As the koi has to readjust its osmoregulation and this takes more energy from the fish. Bottom line you did nothing wrong with this particular situation as the koi was dying anyway. However it is important to pay attention to your koi everyday. And when an issue comes up. Start dealing with it right away before it gets worse.
      Last edited by kdh; 09-15-2021 at 09:20 PM.

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