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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?
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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.



Koi Pond Water Testing is "Good" or "Normal"

Well, that's usually okay, but now your koi are sick and you need to be more specific! [Your koi are sick or you would not be at KoiCrisis.com].

When your koi are sick, it's important, in order to give reliable information, that you have numerical water testing results.

This is because of the people who think that 0.1 ppm Ammonia and 0.1 ppm Nitrite are non threatening.

It's true, of the above examples, that 0.1 pppm Ammonia is negligible, but the 0.1 ppm Nitrite is too-often dismissed, wrongly, as too low a number to matter. Nitrites occur on a scale one tenth of the Ammonia nitrogen. This means that 0.1-0.2 ppm Nitrite is as toxic as 1.0-2.0 ppm Ammonia.

So, by supplying numbers for your pond water quality, others can detect and recognize things that matter more than you might actually or at first, think.