Koi Organisation International (K.O.I.) is a group of Koi hobbyists who want to keep FUN in the hobby. Healthy fish are part of this fun. This web site strives to teach good Koi husbandry by providing Current, Accurate and Useful information on all aspects of Koi & pond keeping.
We specialize in Science, not Hearsay!
Registration with the K.O.I. website is DIFFERENT than being a K.O.I. Member! CLICK HERE to learn more
Quick Links in Squares Below