GRAVITY FED INSTALLATION INSTRUCTIONS
22
OPERATING YOUR NEXUS 220 GRAVITY FED
Once your Nexus is installed and plumbed in as instructed, you are ready to fill the Nexus
and begin filtering your pond water. To fill your Nexus first you need to open all the valves
before and after the Nexus. The system should be filled until the water levels are equal.
Once the Nexus is full, you will notice that both the K1 Media in the outer chamber and the
K1 Micro in the Eazy will float on the surface of the water. In a pond containing fish, the
media will absorb pond water and become semi-buoyant within a week.
This is perfectly normal.
Now your Nexus is full it is time to turn on your air pump to circulate the media making
sure the air valve to the outer chamber is open and the air valve to the Eazy is closed.
CLEANING YOUR NEXUS 220 GRAVITY FED
The central Eazy section of the Nexus will collect all the debris and suspended solids that
come into the filter. In time you will find out how often you need to clean this, and probably
get into a routine to keep the filter working at its optimum. Each pond is different, and the
regularity of cleaning is affected by stocking levels and feeding rates along with other factors
such as algae in the pond.
WHEN TO CLEAN?
You may also notice that the water level in the outer chamber – the Biological stage –
lowers as water is prevented from getting through the Eazy as quickly as it is being pumped
back into the pond. When this water level falls beneath the level of the bypass pipe, this is
the indication that you should clean the Eazy. We recommend cleaning the Eazy every 1 to
2 weeks.
Normally we would not recommend leaving the filter uncleaned more than 3 weeks. The
filter can be left longer if absolutely necessary but this would not be best practice.
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