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K.O.I. Home Page

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!   


Join as a NEW Member     

Registration with the K.O.I. website is DIFFERENT than being a K.O.I. Member!   CLICK HERE  to learn more     

Renew an Existing Membership


Quick Links in Squares Below