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Evolution Aqua Nexus+ Filter

£1,245.00 £1,037.50
£1,245.00 £1,037.50

Award-winning Koi filtration systems

Unrivalled water clarity

Lead time, up to 7-10 working days

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Advanced filtration systems for Koi ponds now with NEW K+Media

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

 The 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 Cleaning System.

Installing the Nexus+

The Nexus+ MUST be installed on a solid, level base, a minimum of 1.2 metres x 1 metre. Failure to do this will cause irreparable damage to the filter and will therefore invalidate your warranty.

 


GRAVITY-FED INSTALLATIONS

By this we mean that your pump is going to be used to return the filtered water to the pond and therefore your filter will be supplied by gravity via a larger diameter pipe. In this situation the water level in the filter will be at the same level as the pond.

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 PUMP-FED INSTALLATIONS

By this, we mean that if your pump is going to be used to supply the water to the filter, and the filtered water then returns back into your pond via gravity, i.e. down a waterfall, or through a large diameter pipe, this is referred to as PUMP FED (i.e. the water is fed to the filter using a pump).

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Size Guide

Model Max Pond Size Max Flow Rate Volume of Water in Nexus Amount of K1 Micro in Eazy Chamber Amount of K+Media supplied in Bio-chamber Max Capacity for K+Media
18,000 litres
4,000 UK Gallons
4,800 US Gallons
10,000 litres/hour
2,200 UK Gallons/hr
2,640 US Gallons/hr
510 litres
112 UK Gallons
135 US Gallons
18 litres of K1 Micro inside the Eazy 50 litres of K+Media in the bio-chamber 150 of K+Media in the bio-chamber
34,000 litres
7,500 UK Gallons
9,000 US Gallons
13,000 litres/hour
2,859 UK Gallons/hr
3,431 US Gallons/hr
840 litres
185 UK Gallons
222 US Gallons
20 litres of K1 Micro in the Eazy 100 litres of K+Media in the bio chamber 300 litres of K+Media in the bio chamber

Technical Specification

How the Nexus+ Works

The Nexus+ filter is an innovative biological and mechanical filter system in one. 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. The water then passes through Eazy filter, where finer particles are removed at the mechanical stage of filtration, thanks to the static bed of K1 Micro filter media.

The mechanically clean water then passes to the outside chamber of the Nexus+ where the new 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 vast protected surface area of each piece of the K+Media. These bacteria convert Ammonia and Nitrite into less harmful Nitrate. Water then passes through the exit grill into the outlet, returning back to the pond.
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