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Public Articles

Note: The articles provided here are hoped to be of interest to most Koi keepers. K.O.I. does not verify the information, nor does it expect the material to meet the higher standards of our ebooks or courses, so please be advised and use your own judgment if and when applying the info contained in these articles.

Pond Construction Types

by Mike Anger

Pond building is a project most of us will undertake at some point as we continue to raise Koi. Many of us first started with the introduction of a water feature, added plants, perhaps some goldfish and then Koi. A few of us bought a house where the prior owner had some type of pond or fountain, and we too evolved into having a Koi pond. Whatever way you arrived here, we all wrestled with similar questions: how large, how much to spend what kind of filters, and what do we make it out of.

Pond Building Concerns

by Mike Anger

Water Testing - Ammonia

By Mike Anger

“Water, never touch the stuff, heard Koi spawn in it…” (this is a family web site).

A Koi Keeper's New Year's Resolutions

By Wally Hathaway

I resolve not to buy every koi that I want with little regard to the problems of overstocking my pond can cause.

I resolve to care for both my pond and fish needs so that I am proactive rather than reactive.  This includes but is not limited to regular water testing and action if indicated, quarantining, maintenance, and proper feeding.

How to Buy a Microscope

By Lois Salaun

It is highly recommended that all Koi hobbyists purchase their own microscope. A good microscope is an invaluable tool to help us diagnose parasites on our fish and is money well spent. This brief article will explain the basics of a scope and the minimum needed to view parasites on our Koi. Keep in mind that each added feature will increase the cost. The object is to buy a good quality scope for a reasonable price that will get the job done.

Fixing Your Club

By Spike Cover

September 2012

I have been in clubs that survived and prospered and others that have gone by the way side. Here's what I've learned: People join koi clubs hoping to get more enjoyment from their hobby. With regard to club meetings, members generally like two things best: