Welcome to CN-Koi
Experts in Ponds and Aquariums for Koi, Tropical and other beautiful fish

Browse Our Fish
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Japanese Koi
We are offering free delivery for UK Only when you spend over £200 on...
Categories
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Pond Plumbing
We keep a wide selection of Pond Plumbing at our shop
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Pond Plants
Check out our wide selection of Pond Plants to get your ponds...
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Pond Water Care and Medication
Discover effective pond water care and medication solutions to maintain a healthy...
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Aquarium Filters, Pumps and Heaters
The main thing you need to know when buying Aquarium Filters, Pumps...
Brands
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Evolution Aqua
Evolution Aqua is a multi-award-winning UK aquatics product manufacturer, specialising in pond...
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Mr Koizumi
Mr Koizumi is a brand of pond treatments and care products for...
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Saki Hikari
Saki Hikari was the worlds first probiotic koi food developed to dramatically...
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Kockney Koi
CN-Koi is proud to be a trusted partner of Kockney Koi who...
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Microbe-Lift
In 1976, Ecological Laboratories began producing MICROBE-LIFT, their one-of-a kind formula for use...
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Cloverleaf
Cloverleaf's success is firmly based on its superiority and reliability of products,...
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Pro-Line Aqua
PRO-LINE Aqua is a company with a long history in the outdoor...
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JBL Aquarium Supplies
JBL’s research team organises research expeditions to the native countries of the...
What Our Customers Say
What we offer at CN-KOI
Whether you are looking to restock your pond, diagnose issues with your current pond or build a new Pond, here at CN-Koi our Koi and Tropical Fish Specialists have over 40 years of experience looking after Fish and building and maintaining beautiful Koi Ponds and amazing Aquariums of all sizes.
Browse our High Quality Pond and Aquarium Products

Visit Our Shop
We now have our fish showroom open at Claremont Garden Centre, near Maldon and Chelmsford.