Koi Dictionary

© Servaas de Kock and Ronnie Watt

Revised: January 2013

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Introduction

⇔ Term⇔ Definition

ulcer

general term for open wound infected with bacteria and/or fungi

urushi-sumi

Best quality sumi, lacquer-like in appearance.

Utsurimono

koi with a white, red or yellow ground onto which a bold, often continuous sumi pattern is laid.

UV sterilization

ultraviolet radiation of water used for algal control and disinfection