K.O.I. is an international group of expert hobbyist-volunteers who want to promote FUN in the Koi hobby by teaching all aspects of Koi and pond keeping, with a focus on Science. 

NEW! Angled Net Fitting - BUY NOW!  Click square below

CKK Scholarships always available to all Member Clubs!

NEW Advanced Couse Now Available - #314 How & Why of Koi Nutrition

Sign up now for course #314 starting Jan, 2023


Welcome To Everything KOI

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!If you're not havin' FUN, you're not doin' it right