Kloubec Koi Farm has the most advanced Koi quarantine facility in the nation. You can rest assured that all Koi and Butterfly Koi purchased from this website have gone through extensive quarantine procedures at the Kloubec Koi Farm. Our quarantine greenhouse has over 9000 sq feet of space and 50,000 gallons of quarantine tanks for live koi. It is equipped with state-of-the-art water filtration, water purification and sterilization processes to obtain a pristine environment for our koi fish. Our quarantine facility has 3 separate closed systems, utilizing three types of engineered fluidized sand filtration that we call cloud filters. It also incorporates ozone and R/O capabilities designed for bacterial reduction and control. Each and every Koi for sale from the Kloubec Koi Farm has gone through an extensive quarantine procedure to ensure optimum koi health. We wouldnt have it any other way!