[KDSD]

Quote: For example, what I have soaked up is - The Large Nexus filter is designed for a 4" feed and in doing so, puts a MAXIUM SPEED LIMIT on that filter of 3600 GPH. I have not read the manual personally but have talked with several different sources regarding the performance of the filter. So in regards to the large NEXUS filter; What is the OPTIMAL flow rate recommended on a 4" gravity flow BD? Aerated or not?

Per the flow rates of the Nexus, I will be putting a flow meter on the 4" line to see just that in the next few weeks..........what is the actual flow rate based on a recommened 2" drop of in main bio area water line from dead start. But of course I could just wait till next Sat at our Koi show to ask the man himself. I understand he will be with Bill D. per talking with Bill on phone this am.

Nexus Eazy 300
Max flow rate: 15,000 litres/hr 3,300 UK or 3,900 US gallons/h

This is what the Mfg. has in pdf instruction book, so based on that fact we need to know what really is true flow rate. From field experiance I will take an educted guess of 3100-3400 gph.

Faster and higher flows are not always the best option

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Koiman™
CDKPA