CN KOI sell very high quality Japanese Koi from the Ogata koi farm at fair prices. CN KOI stock a vast range of Fittings, Valves, and pipe work . Also the future in filteration, as we now sell the very first gravity fed shower filter. CN KOI also offer a service for diagnosis and treatments and suply all the medication to deal with the problems, as Stewart is certificated in koi diagnosis and treatment courses. CN KOI also sell all dry goods including Ogata koi food probably the best food on the market. Viewing strictly by appointment only.