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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.

What KoiCrisis Is For?

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Need Help Now?

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?
What to look for in labels?

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 Bacterial Infections of Koi and Goldfish

Bacterial...are ALWAYS caused by some form of stress, whether it's seasonal chilling in winter, parasitism, poor nutrition, or other environmental factors like handling and transport. There is little doubt that the average hobbyist would be best served to combine Medi-Koi medicated koifood and antibacterial bathtogether to recover their koi. Not only are the treatments effective, they are also cost effective.


What should I know about a bacterial infection?

How to manage body sores?, mouthrot? finrot?

Medicated foods


Topical Treatments for Bacterial infections