Extreme Koi Forum

Our massive (over 35,000) active user base means we have postings every day all-day. You can browse our huge archive of historical posts or ask your own questions. You will get a response straight away. Our members are happy to share their expertise and can help with every aspect of koi keeping; from assessing koi quality, koi diseases, pond design, filtration choices, and much more. There really is no better resource for the best, up to date information on koi and koi technology.