Maximum Flow Rate
10,000 litres/hr
2,200 UK gallons/hr
2,640 US gallons/hr
Maximum Pond Size
18,000 litres
4,000 UK gallons
4,800 US gallons
Amount of K1 Media supplied 50 litres in outer chamber (Biological)
Amount of K1 Micro supplied 18 litres in Eazy (Mechanical)
Recommended Air Pump Air Pump 75 or above (See Air Pump recommendation)
Total volume of water in filter 510 litres / 112 UK gallons / 135 US gallons
Volume of water in outer chamber 405 litres / 89 UK gallons / 107 US gallons
Volume of water in inner chamber 105 litres / 23 UK gallons / 28 US gallons
Total amount of K1 Media
in the outer chamber
Recommended Evolution Aqua Air Pump
50 Litres (as supplied) - 75 Litres Air Pump 75
75 - 100 Litres Air Pump 95
100 - 150 Litres Air Pump 130
NEXUS 220 SPECIFICATIONS
The following Evolution Aqua air pumps are recommended for use with the Nexus 220.
Our recommendations are based on the amount of K1 Media that is in the outer chamber.
You can increase the biological capacity of your Nexus 220 by adding up to 100 litres of
additional K1 Media into the outer chamber. You will however need to ensure that you
have the correct size of air pump to enable the K1 Media to move sufficiently (see below for
recommended size of air pump).
AIR PUMP RECOMMENDATION
FLOW RATES
One of the factors that can have a significant influence on the general parameters of our
ponds is turn over rate. This is the time that it takes for the total volume of the pond to pass
through the filter system once. We recommend that for ideal performance a turn over rate of
every 2 to 3 hours is found to be best.
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