How To Take Care Koi Fish. Observe for 14-21 Days Place your Japanese koi fish into the quarantine tank and observe carefully for 14-21 days. Koi Fish Maintenance When you purchase Koi from a pet store it is important that you quarantine it before putting it together with the other fish.
Cover the aquarium with a hood to reduce evaporation and splashing and to keep fish from leaping out. Put the aquarium in a quiet area out of direct sunlight and drafts. To flourish and thrive long-term koi fish need clean filtered water in their ponds.
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Infant koi can live comfortably in big aquariums but as they grow theyll need to be transferred to an outdoor pond. This practical bite-size tutorial explains accurately how its done and will help you get good. Taking Care Of The Fry Its best to take care of baby koi in a controlled tank as it will let you keep an eye on the fry as well as closely monitor their growth. Cover the aquarium with a hood to reduce evaporation and splashing and to keep fish from leaping out.