Nexus Filter Range 


Eazy Pod Air

Nexus Eazy Pod is a biological and mechanical filter from your pond, it features a simple yet innovative design. It uses a perforated metal screen to drag larger solid particles from your pond water, immediately increasing the clarity of the water itself. The central chamber of the Eazy Pod contains K1 Biological media, a perfect home for large cultures of beneficial pond bacteria which helps to break down the toxins and bio-waste created by the life in your pond.

You can create a more complete system for your pond by opting for the Eazy Pod Air, which includes the Evolution Aqua Airtech 70 Air pump, helping to aerate the water in your pond, providing a more oxygen-rich environment for your fish and helping the bacteria in the filter do its' job. Alternatively you can choose from any of the other Evolution Aqua Air Pumps.

Nexus Eazy Pod is the complete mechanical and biological filter system for garden ponds up to 20,000 litres or koi ponds up to 10,000 litres. The Eazy Pod is very easy to install and maintain and it produces incredibly clear water when installed with a UVC. The filter has an easy cleaning cycle with no need to get your hands wet/dirty.




Pond and Koi Specialists selling East Sussex and Rye

Pond and Koi Specialists selling East Sussex and Rye

 Key Features:

  • Comes complete with adjustable rubber connectors and accepts all pipework up to 3 inch.
  • Works well as a pump or gravity fed system.
  • Ideal on a quarantine pond, as a pre-filter, polisher or on a skimmer line.
  • Very Easy to install.
  • Small Filter - only 23 inches tall AND WIDE (585mm).
  • Gives incredibly 'Gin Clear' water.
  • Max Flow Rate: 10,000 LPH
  • Kaldness K1 Media capacity: 30 Litres
Product Size Pump Size Max Pond Size
Evolution Aqua Eazy Pod Air - Grey (inc 70lpm air pump) 580 x 710 x 585mm (WxLxH) Includes Airtech 70 Lpm 10000 litre koi pond, 20000 mixed pond.
Evolution Aqua Eazy Pod Air - Green (inc 70lpm air pump) 580 x 710 x 585mm (WxLxH) Includes Airtech 70 Lpm

10000 litre koi pond, 20000 mixed pond.


Nexus 220 + 320 +

Product Information

Evolution Aqua have launched the new Nexus320+ and Nexus220+ filtration systems. Building on the tried and tested technology that has been ever present in their world renowned Nexus filtration systems, the team at Evolution Aqua have gone even further to enhance their number one Koi pond filter.

Nexus320+ and Nexus220+ filters now come with a new filter media called K+Media in the moving bed outer chamber for vastly improved biological filtration and faster filter maturation. The new Nexus+ filters are also supplied "auto ready", with factory fitted fixings already in place, making it even easier to upgrade to the Nexus Automatic System.

  • K+Media replaces K1 Media in moving bed for improved biological filtration.
  • K+Media provides a class leading overall surface area of 1,350m2 per m3 with a vast protected surface area of 1,025m2 per m3.
  • Minerals, magnesium, calcium, salt and enzymes incorporated into K+Media during the extrusion process to speed up filter maturation times.
  • Design and structure of K+Media allows a stable bio-film to form.
  • Fixings are pre-installed on the filter to make fitting the Nexus Automatic Upgrade Kit much easier than before.
  • Nexus220+ is suitable for ponds up to 18,000 litres (4,000 gallons).
  • Nexus320+ is suitable for ponds up to 34,000 litres (7,500 gallons).

Advanced Filter Media

After many years of research, Evolution Aqua have now developed a new media that not only gives class leading surface area, but also overcomes the problem of long maturation times. K+Media with its innovative design, and class leading surface area provides enhanced biological and mechanical filtration.

As Evolution Aqua extrude K+Media, Minerals and Enzymes are added to the raw material. The result of this process, unique to Evolution Aqua, is a filtration media that not only outperforms most of its competitors due to its large protected surface area, but also answers the problem of how to speed up the time taken to mature your filter.

With a new shape and profile, K+Media has also been designed to have an increased and class leading surface area, meaning an overall surface area of 1,350m2 per m3. More importantly for biological filtration, the protected surface area of K+Media is 1,025m2 per m3. This allows a stable bio-film to form and remain intact when used in moving bed biological filtration, as in the new Nexus+.

Precision Engineering

As with all Evolution Aqua filtration systems, Nexus+ are precisely manufactured at their factory in the UK. The shell of the unique multi chamber filter is formed using specialist rotational moulding machinery. High density polyethylene (HDPE) is injected into a Nexus shaped mould where it is rotated through 360 degrees whilst being exposed to incredibly high temperatures. Once formed, the robust, toughened shell is removed from the mould and left to cool. Precision cut stainless steel panels are fabricated to make the EAZY and grill plates which are then inserted into position inside the unit. A series of pipework, connectors and valves are installed that make the unit ready to hold water. Airline and fixings are also carefully installed which enable the moving bed and cleaning process to function. K1 Micro is added to the EAZY and K+Media is packed ready for adding into the outer chamber.

Combining a tried and tested, precision manufacturing process with award winning design, and with K+Media and K1 Micro at the heart of the filtration, the Nexus+ will consistently deliver crystal clear, healthy water, allowing Koi and pond fish to thrive. With automatic cleaning functionality now even easier to install, Nexus+ is the ultimate filter system of choice.


Pond and Koi Specialists selling East Sussex and Rye 

Pond and Koi Specialists selling East Sussex and Rye

 How the Nexus+ Works

The Nexus+ filter is an innovative biological and mechanical filter system in one. Water enters the Nexus+ via the inlet into the inner chamber which forms as a vortex allowing larger solids to settle out. The water then passes through the Eazy where the finer particles are removed at the mechanical stage of filtration. From the Eazy the water passes into the outer chamber where the biological stage of filtration takes place using the new K+Media Moving Bed.

The water then passes through the grill into the Exit Chamber, where it is returned to the pond through the outlet. The Eazy is cleaned by diverting the air from the Outer Chamber to the Eazy using the air valves or by installing the automatic cleaning system which makes the cleaning process even easier, as the filter can be cleaned even when you're not there. Nexus+ filter systems can be easily installed on gravity-fed or pump-fed set ups.

Product Pond Size Max LPH Guarantee Filter Type Volume of water in Nexus Amount of K1 Micro supplied in EAZY Filter Amount of K+Media Supplied in Bio Chamber
Nexus Eazy 220+ 18,000L 10,000 LPH 1 Year Bio 510L 18 Litres of K1 Micro inside the EAZY 50 Litres of K+Media in bio chamber
Nexus Eazy 320+ 34,000L 13,000L 1 Year Bio 840L 20 Litres of K1 Micro inside the EAZY 100 Litres of K+Media in bio chamber


Nexus Automatic System 


 Product Information

The Nexus Automatic System can be installed on Nexus 220 and 320 filters manufactured after 2006, whether on gravity-fed or pump-fed installations. The kit includes a control box which connects up to an automated waste valve, air pump control box and an automatic inlet slide plate (for gravity fed models only). Once installed and connected to your pond pump and mains power the system will carry out cleaning cycles at timed intervals or when pressing the manual clean button.

Physically turning ball valves and manually switching pumps on and off will now be a thing of the past thanks to the Nexus Automatic System. All of the key processes that form the cleaning cycle are now controlled automatically with this easy to install kit.


Key Features:

  • Hassle free way to clean Nexus filtration systems
  • Automates the cleaning process of the Nexus
  • Easily fits onto Nexus filters (post 2006 models)
  • Electronic control box automatically operates valves and pumps
  • Adjustable timer controls the frequency of the automatic cleaning cycle to suit the user's needs
  • Easy to set up for multiple cleaning cycles
  • Manual cleaning cycle can be carried out if needed, at the touch of a button
  • GRAVITY and PUMP FED versions available


Pond and Koi Specialists selling East Sussex and Rye


Kockney Koi Black Box Filter Range

 Product Information

These Kockney Koi Box filters are ideal for goldfish ponds from 5,500L to 16,000L with a maximum flow rate from 2,800 LPH to 9,000 LPH dependant on which model you choose, please see table below. They can come as a bio filter, or the additional UV can be added for clearer, cleaner water to complete your pond. The mechanical and biological filter media ensures the water goes through a thorough clean. The no-fuss design makes installation simple. They have been designed to enable partial burial if required.

Black Box Assembly Instructions
















If you are looking for Koi and pond specialists in East Sussex, please come visit us at Icklesham Koi or contact us.

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