Monday, January 11, 2010

Turning Pink

Pink Koi
My white Koi are turning pink??!! Can you tell me what I could be doing wrong?? - Jann

There are a few reasons why your Koi could be changing color:
  • You are feeding it a color enhancing food
Feeding a white Koi this type of food is not recommended because it will add a red pigment to their scales. It looks amazing when you have a red Koi, but since you have a white one, it is throwing off its color.
  • You could have a water quality problem
It will stress out the fish and it will "blush". Small veins will appear through the scales and on the head of the Koi and give it the appearance of turning pink.
  • You could have a parasite infestation
Again, the Koi will be stressed and the viens will appear.

Check your Koi food, see if it has color enhancing additives. If it does, stop using it immediately and switch to a normal Koi food. Check you water quality, including pH, Ammonia, Nitrite and Nitrate. If any of the parameters are off according to the test kit, do a water change and increase your filtration or decrease the amount of food you give your Koi. If the previous suggestions don't work, get a veterinarian to come out to your pond and check your Koi for parasites. They will prescribe a treatment plan to help you get rid of the infestation.

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