Rigid Koi Pond Liner – 4000 Litres (898 Gallons)

Rigid Koi Pond Liner – 4000 Litres (898 Gallons)


Rigid Koi Pond Liner 4000 litres 898 gallons

Maximum Dimensions  6mm thick plastic 249cms (98 inch) diameter x 84 cms (33 inch) deep. Weight 60kg

This koi pond gives you everything you need for building a pond in your garden.

It has all the essentials to allow high stocking levels and an environment your fish/koi will thrive in.

Easy to install just add water then one fish at a time.

Free delivery to your door please allow us 2 to 3 weeks.



SKU: 4000-Litre-Rigid-koi Categories: , Tag:


Rigid Koi Pond Liner – 4000 Litres (898 Gallons)

Rigid Koi Pond Liner 4000 litre. A round freestanding Koi Pond is highly durable. This size tank is ideal for keeping koi due to its high water capacity. We suggest adding a filter box, pond pump and air pump to the liner to keep your koi happy and healthy.

This preformed pond 6mm wall section and its largest main dimension is 98″ (249 cm) diameter and 33″ (84 cm) deep. Its volume is 898 Gallons (litres 4081). Tapers from top to bottom at 5 degrees inclusive. Weight when empty 60 kgs. To help reduce our carbon footprint we are now using recycled black high density polypropylene plastic to manufacture our plastic rigid pond liners. They are smooth on the inside making them easy to clean. 10 times stronger than a conventional pond liner. They will last a lifetime.

They are ideal for a vast range of applications, and there are numerous uses for them. All of our round tanks are free-standing when full of liquid, above or below the ground, and can be part or fully buried.



4000 Litre Rigid Koi Pond Liner

4000 Litre Rigid Koi Pond Tank – The 4000 rigid koi pond is 98″ (249 cm) diameter and 33″ (84 cm) deep. Its volume is 898 Gallons (litres 4081)




Mega filtration – The mega media filtration option contains; the 4000 Litre Rigid Koi Pond Tank, pond pump with a 3000 litre per hour flow and fountain feature, a mega media black filter box with a 11w UV, 6 metres of 25mm flexible pipe, 2 hose clips (25mm), a 50L High-flow air pump with 20 metres of clear tubing and 4 large air stones.

The mega media filtration option allows you to stock as many as fish as you like as long as you maintain the pond by cleaning the filters regularly. The 11W UV works with the filter box to remove any algae from your pond, keeping your water to a high standard and creating an environment your koi/fish will thrive in. The air pump provides the koi with oxygen which the koi need to live and providing this through the air pump allows you to stock higher levels of koi/fish.

Delivered from our factory your door and helping to reduce our carbon footprint. Make life easy for yourself and order a flat pack pond. All our designs make it easy to move around and install with minimum effort. Just add water and turn on the pumps to test the tank. Then add one small fish at a time 100mm long (4 inch) in week 1 and then another in week 2 and so on.


Expected delivery time of between 2 and 3 weeks. Other orders in your nearby area may speed up this process significantly.

Price quoted includes all Costs and Delivery to UK mainland.

Great product and service

Rated 5.0 out of 5
17 November 2021

Thank you to the team at Ponds for Fish for your help and advice in choosing the right pond for my garden. Couldn’t be happier with the results.

Alan Steven’s

Awesome product

Rated 5.0 out of 5
30 July 2021

Fantastic pond excellent really nice and can make any surround for it I have mine raised and will have timber frame made to go round good value for money and plenty big enough for my fish

Definitely recommend

Richard Taylor


Rated 5.0 out of 5
31 May 2021

Ordered this in spring arrived earlier than was expected , driver was really helpful.

Good strong liner , pond up and running .

Pleased with purchase would not hesitate to order another if needed.

Martin Chidley

Great pond

Rated 5.0 out of 5
7 April 2021

Great quality and friendly service


7200 litre pond

Rated 5.0 out of 5
17 September 2020

Ordered this in the summer and 3 weeks later it was here, driver very helpful , got some funny looks from neighbours as they couldn’t work out what it was ,managed to get it over the fence with the help from a few mates , i went 2 ft down and 2 ft above ground, pond is up and running , filter etc all fine , fish are happy , better than a butyl liner , much easier to install , pleased with purchase .

William Charman


Rigid Koi Pond Design

View the 4000L Rigid Koi Pond Liner in Alan Harris pond design

Additional information

Weight 60 kg
Dimensions 249 × 249 × 84 cm


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