PLG Aquatics 179 The Oval, Bingley BD16 4RJ, United Kingdom+447899688481http://www.plgaquatics.co.uk/pond construction and designComplete Manual to Koi Pond Professionals, Pond Development and Style, Fiberglass Ponds, Pond Cleaning and Routine maintenance, and Pond ReliningA properly-built and managed pond, In particular a **Koi pond**, is usually