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

EXTENDED THROUGH JUNE!

NEW MEMBER SALE!   

16 Month K.O.I. Memberships (until Sept. 30, 2021)

$20 New Membership (includes The Guide)

$85 PLUS Membership (New Membership + Original Guide pages + Big Book + all 7 Supplements)

 

Welcome To Everything KOI

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