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  1. #1
    Senior Member Rank = Rokusai algarth's Avatar
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    Cetus sieve to Nexus filter both gravity fed

    Hi everyone
    Has anybody successfully used / connected a gravity fed Cetus sieve to a gravity fed Nexus as shown in the diagram below?
    Or have you done it a different way that works?




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  3. #2
    Quote Originally Posted by algarth View Post
    Hi everyone
    Has anybody successfully used / connected a gravity fed Cetus sieve to a gravity fed Nexus as shown in the diagram below?
    Or have you done it a different way that works?

    Done it similar but needed pump to get volume through nexus, I'm about to try again but it's probably going to be bottom drain to pump to cetus to nexus to uv

    Sent from my VOG-L29 using Tapatalk

  4. #3
    Senior Member Rank = Rokusai algarth's Avatar
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    So you used two pumps? One from sieve to nexus and one from Nexus back to the pond?

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  6. #4
    Quote Originally Posted by algarth View Post
    So you used two pumps? One from sieve to nexus and one from Nexus back to the pond?
    No just gravity to cetus then pump to nexus, cetus bellows at full height level with pond water level, then return to pump which feeds nexus, issue is water volume through cetus return, I've installed 50 mm outlets to get better flow out, I've put 2 50 mm on each seive in preparation for trying again, will be fed with 20,000 ltr vario

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  7. #5
    Senior Member Rank = Rokusai algarth's Avatar
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    Not sure it will work unless you have your sieve above the nexus gravity feeding it
    QUOTE=Stuffyrat;344868]Done it similar but needed pump to get volume through nexus, I'm about to try again but it's probably going to be bottom drain to pump to cetus to nexus to uv

    Sent from my VOG-L29 using Tapatalk[/QUOTE]

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  9. #6
    Quote Originally Posted by algarth View Post
    Not sure it will work unless you have your sieve above the nexus gravity feeding it
    QUOTE=Stuffyrat;344868]Done it similar but needed pump to get volume through nexus, I'm about to try again but it's probably going to be bottom drain to pump to cetus to nexus to uv

    Sent from my VOG-L29 using Tapatalk
    [/QUOTE]That's the plan build a stand for seives then gravity to nexus

    Sent from my VOG-L29 using Tapatalk

  10. #7
    Senior Member Rank = Rokusai algarth's Avatar
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    How did you return from after Nexus?
    Quote Originally Posted by Stuffyrat View Post
    No just gravity to cetus then pump to nexus, cetus bellows at full height level with pond water level, then return to pump which feeds nexus, issue is water volume through cetus return, I've installed 50 mm outlets to get better flow out, I've put 2 50 mm on each seive in preparation for trying again, will be fed with 20,000 ltr vario

    Sent from my VOG-L29 using Tapatalk

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  12. #8
    Quote Originally Posted by algarth View Post
    How did you return from after Nexus?
    Gravity through uv then returns to pond

    Sent from my VOG-L29 using Tapatalk

  13. #9
    Senior Member Rank = Rokusai algarth's Avatar
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    Please im not doubting you but would it not be better to Gravity feed your Nexus then pump out of Nexus through say a bead filter and back to pond? Just my thoughts
    Quote Originally Posted by Stuffyrat View Post
    Gravity through uv then returns to pond

    Sent from my VOG-L29 using Tapatalk

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  15. #10
    Quote Originally Posted by algarth View Post
    Please im not doubting you but would it not be better to Gravity feed your Nexus then pump out of Nexus through say a bead filter and back to pond? Just my thoughts
    It's not my pond was how my nephew wanted it, he ain't got a bead filter he had the cetus, everyone does things differently I've got a bead filter and think it's more hassle than it's worth in my opinion it's just sat in the shed, when I complete my drum the cetus sieves and nexus will be redundant too, you asked if people had done similar, I awnserd, I'm about to do a similar set up for liams pond so see how that pans out Cetus sieve to Nexus filter  both gravity fed

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  16. #11
    Senior Member Rank = Rokusai algarth's Avatar
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    Good luck with your tinkering

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  18. #12
    Hi,
    My set up was bottom drain gravity fed to cetus and pumped via uv to nexus then gravity return to 4 inch mid return to pond.
    This only requires one pump to run.
    The top water line in the nexus is the minimum 12 inches above the pond water level.
    The Cetus has now been replaced by a drum which has the bd and skimmer feeding it.
    Cheers
    Ady


    Sent from my iPhone using Tapatalk

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  20. #13
    Senior Member Rank = Rokusai algarth's Avatar
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    So your Nexus was not at gravity fed level then? Have you used a standalone drum or a drop in to replace the Cetus and lowered your nexus to suit?
    Quote Originally Posted by Adyprice View Post
    Hi,
    My set up was bottom drain gravity fed to cetus and pumped via uv to nexus then gravity return to 4 inch mid return to pond.
    This only requires one pump to run.
    The top water line in the nexus is the minimum 12 inches above the pond water level.
    The Cetus has now been replaced by a drum which has the bd and skimmer feeding it.
    Cheers
    Ady


    Sent from my iPhone using Tapatalk
    Last edited by algarth; 01-08-2020 at 09:49 AM.

  21. #14
    Hi Algarth,
    I have a stand alone drum with a split outlet. One pump feeds the nexus via a uv which is in the same position as when I had the Cetus. The other pump is on a timer and just feeds a waterfall / mid return to the pond.




    The water height in the nexus is set by the pipe inside the return line.

    Cheers
    Ady


    Sent from my iPhone using Tapatalk

 

 

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