Evolution Aqua Nexus EAZY 320+ Filtration System

Evolution Aqua Nexus EAZY 320+ Filtration System

Evolution AquaSKU: EAF202

Sale price£1,595.00
Delivered in 3-5 days

We're an eKomi Gold Rated Seller

Key Features

  • Superior Performance for Crystal Clear Water
  • Suitable for Pump Fed or Gravity Fed Setups
  • For Ponds up to 34,000 Litres (7500 UK Gallons)
  • Combination of Mechanical and Biological Filtration
  • Comes with K+Media and K1 Micro Media


The Nexus 320+ filtration systems deliver dramatically improved levels of clarity for ponds. Building on the success of the award winning Nexus range this new generation of filters cleverly combine mechanical and biological filtration into one advanced filter system, whilst being incredibly easy to clean and simple to install.

The Nexus 320+ features a re-designed Eazy filter which utilises K1 Micro filter media, in a static bed, to deliver improved levels of mechanical filtration. The Nexus+ filter systems also now use the all new K+Media in the moving bed to deliver outstanding levels of biological filtration. Together this combination of filter media work to deliver crystal clear and healthy water.

All Nexus+ filtration systems can be installed on pump fed or gravity fed setups depending on your pond configuration. (pump not included)

The Nexus 320+ can be installed on ponds up to 34,000 litres (7,500 gallons).

How the Nexus works

Water from the pond enters the nexus+ via the inlet into the inner chamber which works as a vortex allowing larger solids to settle out.

Water then passes through the grills in the stainless steel Eazy filter, where the finer particles are removed at the mechanical stage of filtration, thanks to the static bed of the award winning K1 Micro filter media.

The mechanically clean water then passes to the outside chamber of the nexus+ where the K+Media moving bed is located for biological treatment prior to being returned to the pond.

At this stage, biological breakdown occurs through different strains of bacteria and filter feeders living on the protected surface area of each piece of the K+Media. These bacteria convert Ammonia and Nitrite into harmless Nitrate.

Water then passes through the exit grill into the outlet, returning back to the pond.

AirPump Requirements

You can increase the biological capacity of your Nexus+ by adding additional K+Media into the outer chamber. You will however need to ensure that you have the correct size of air pump to enable the K+Media to move sufficiently.

For Nexus+ filtration systems straight out of the box with no additional media added, we recommend an Evolution Aqua Air Pump 95 for a Nexus 320+.


Max. Pond Size: 34,000 Litres

Max. Flow Rate: 13,000 Litres Per Hour

Amount of K1 Micro Supplied: 20 Litres

Amount of K+Media Supplied: 100 Litres

Max Capacity for K+Media: 300 Litres

Volume of Water in Nexus+: 840 Litres

Volume of Water in Inner Chamber: 205 Litres

Volume of Water in Outer Chamber: 635 Litres

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