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Symptoms Finder

You'll get a picture of the koi/goldfish, you click on the koi fish where it's sick, or choose from several other behavioral options that your koi may be exhibiting.

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We offer FREE personal help with your sick fish and/or pond water quality problem. Fill out our easy “Help Form� by Aqua Meds

Feeding Koi

What to feed?
What not to feed?
How much to feed?
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Aqua Meds®

Have questions about care of sick fish and/or pond water quality problems and how to treat them? We have the answers.

Fish Medicines

Learn about fish medicines, what they do, and where to get them.


If you have a koi, pond or fish problem, this site takes you through twenty easy questions and at the end you know what you need to fix in your pond to create restored Koi health.



Feeding Koi

UPDATE: www.feedingkoi.com

Feeding Koi once per day could be considered "ideal" by any standard. Koi have ravenous appetites and it's uncommon to ever "fill them up" so people never get the sense that their koi are "full". However, feeding carp (yes, koi are carp) to satiety would require feeding them almost continually. This would destroy your pond water quality and mandate unreasonable pond water quality management efforts. 

Feeding koi once or twice per day, all the koi want to eat in five minutes is the ideal to which most people should adhere. Breeders and growers usually feed considerably more food in order to push and sustain rapid growth. Again, this would destroy your pond water quality and mandate unreasonable water quality management efforts.

How MUCH to feed?

When I was a kid I used to wonder how you'd "know" how much the fish would eat in five minutes. I wondered, "If I guess they'll eat a half cup and I am wrong, will I have to net out the uneaten food?"

So, all you do is start feeding, and keep a little food on the pond surface (with little spoonfuls tossed often) for just five or so minutes. Make sure that you feed small pellets to small Koi and larger pellets if possible to larger Koi. However, if you are cohabiting large and small Koi, all the pellets will have to be small because the small Koi will always choose a larger pellet, even if it cannot fit it into it's mouth.