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Thread: To link them up?

  1. #1
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    To link them up?

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    Hi guys, my current flow goes from

    inlet(tank) -> eheim 2028 -> CO2 Ext Reactor(from NA) -> outlet(tank)

    Am planning to get a resun cl650. i know the flow rate will be affected. I have a spare eheim 1250 pump. Where should i place it?

    inlet(tank) -> eheim 2028 -> CO2 Ext Reactor(from NA) -> Eheim 1250 -> CL650 -> outlet(tank)

    is the above correct?
    or should i replace the 1250 with a canister pump?

  2. #2
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    Hi,

    You can consider putting your chiller before the reactor. Colder water is able to accommodate higher levels of dissolved CO2.
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    Sheesh.... work is really keeping me away from my hobby
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  3. #3
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    2028-->CO2 reactor-->chiller-->tank.

    The longer the length for the co2 mixed water to travel the better as this helps the co2 to be fully absorbed into the water column. The shorter the length the cold water travel from the chiller to the tank will prevent any temperature increase, preventing the chiller from running longer.


    Hope this helps!
    If you've learnt, teach, if you have, give.
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  4. #4
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    how about the eheim 1250 pump? which point should i place it?

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    help guys.

    juz install my chiller using the flow

    inlet(tank) -> eheim 2028 -> CO2 Ext Reactor(from NA) -> Eheim 1250 -> CL650 -> outlet(tank)

    but i notice my flowrate is affected. thus i change to a eheim 1260 since CL650 recommend >1800l/h pump flow
    but now i notice my NA CO2 reactor running abnormally. the water level is decreasing.
    Can i 'OFF' my 2028? will it breakdown if i kept it 'OFF' ??

  6. #6
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    a) Take out the 2028 from your line and replace it with the 1260. Use the 2028 as a stand alone unit then.

    b) Use the chiller with the 1260 only. Add a sponge at the inlet tube for the 1260 to prevent any debris from getting into the pump. At the outlet, use a rainbar vertically to diffused the water flow.
    If you've learnt, teach, if you have, give.
    Don't walk behind me as I might not lead, don't walk in front of me as I might not follow. Walk beside me, as my friend.
    Mohamad Rohaizal is my name. If it's too hard, use BFG. I don't mind.

  7. #7
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    thanks BFG.

    1260 is too strong. it draws air from my CO2 tank even when my solenoid is 'OFF'
    mine just 3ft tank. can't has too many inlet/outlet.

    i did a simple one. inserting a tap before the 1260

  8. #8
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    I think its a better idea to place the tap after the 1260.
    Restrainting flowrate should be done at the outlet, otherwise might cause the impeller to run dry.

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    my god. no wonder i'm seeing plenty of air bubble.
    i place the valve on the inlet of the 1260

    thanks

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    This is how my setup running in series...

    Tank Out -> Pro 3 -> Pro 2 -> 11w UVC -> Tank In

  11. #11
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    Quote Originally Posted by OutdoorXplorer
    This is how my setup running in series...

    Tank Out -> Pro 3 -> Pro 2 -> 11w UVC -> Tank In

    What is the rational for running the Pro 2 in a series in this set up? Is the Pro 2 turned on or just acting as additional media holder?

    Cheers,
    I have dwarf cichlids in my tanks! Do you?

  12. #12
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    Quote Originally Posted by benny
    What is the rational for running the Pro 2 in a series in this set up? Is the Pro 2 turned on or just acting as additional media holder?

    Cheers,
    Nothing much to do during the weekend and I decided to take out the Pro2 2026 which has been lying in the store for a while. Now the Pro3 2080 and Pro2 2026 is connected in series.

    Illustration of the setup:

    Tank >>> Pro3 >>> Pro2 >>> 11w >>> Tank
    Out.........2080........2026........UVC.........In

    The Pro3 now serves as a Biological and Pro2 as mechanical.

    Pro3 consist of EhfiSubstrat Pro 8L, Ehfimech 4L, 1 Coarse Filter Pad & 1 Fine Filter Pad. Pro2 consist 1KG of CC, 2 Coarse Filter Pads, 3 Carbon Filter Pads & 3 Fine Filter Pads.

    Cross my fingers that it will not overkill.
    Currently Housing 1 * SR Aro, 2 * Spotted Plecos, 3 * Tinfoil Barbs & 5 * Siver Dollars in a 4*2*2 with Eheim Professional 3 2080 & Professional 2 2026 Filteration System.....
    Main Diet: Pellets, Feeder Gold Fish; Market Prawns, Bull Frog & Centipede....

  13. #13
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    Quote Originally Posted by OutdoorXplorer
    Nothing much to do during the weekend and I decided to take out the Pro2 2026 which has been lying in the store for a while. Now the Pro3 2080 and Pro2 2026 is connected in series.

    Illustration of the setup:

    Tank >>> Pro3 >>> Pro2 >>> 11w >>> Tank
    Out.........2080........2026........UVC.........In

    The Pro3 now serves as a Biological and Pro2 as mechanical.

    Pro3 consist of EhfiSubstrat Pro 8L, Ehfimech 4L, 1 Coarse Filter Pad & 1 Fine Filter Pad. Pro2 consist 1KG of CC, 2 Coarse Filter Pads, 3 Carbon Filter Pads & 3 Fine Filter Pads.

    Cross my fingers that it will not overkill.
    Interesting. Mechanical filtration is normal before biological filtration.

    Also, is the Eheim Pro II 2026 turned on?

    Cheers,
    I have dwarf cichlids in my tanks! Do you?

  14. #14
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    Quote Originally Posted by benny
    Interesting. Mechanical filtration is normal before biological filtration.

    Also, is the Eheim Pro II 2026 turned on?

    Cheers,
    Ooops and yes.. Pro2 must be power on otherwise it will be over-pressure and leaking will happen [Quoting from experience]. The Pro 2 is secondary mechanical filteration with purifying process as you notice carbon pads and corals chips are in the Pro 2..
    Currently Housing 1 * SR Aro, 2 * Spotted Plecos, 3 * Tinfoil Barbs & 5 * Siver Dollars in a 4*2*2 with Eheim Professional 3 2080 & Professional 2 2026 Filteration System.....
    Main Diet: Pellets, Feeder Gold Fish; Market Prawns, Bull Frog & Centipede....

  15. #15
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    Quote Originally Posted by OutdoorXplorer
    Ooops and yes.. Pro2 must be power on otherwise it will be over-pressure and leaking will happen [Quoting from experience].
    Interesting. If you Pro 3 is turned on and connected before a Pro 2, which is also turned on, this does not 'over-pressure' the Pro 2? Most of us connected the filter in a series would have experienced otherwise.

    The Pro 2 is secondary mechanical filteration with purifying process as you notice carbon pads and corals chips are in the Pro 2..
    Carbon pad and Coral chips are not exactly mechanical filtration media. Carbon will soak up impurities and no more than that. Coral chips keeps the pH up and can buffer a pH crash. I suppose you can consider it for mechanical if you have sufficient quantity. But then, the pH will be too high for a planted setup.

    Mechanical filtration should always be before biological filtration. Even Eheim says that in their instructions for the media allocation.

    Anyway, thanks for sharing.

    Cheers,
    I have dwarf cichlids in my tanks! Do you?

  16. #16
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    Discover the first advantage.... It increases the water volume in the tank and also experience a significant increase in the flowrate...
    Currently Housing 1 * SR Aro, 2 * Spotted Plecos, 3 * Tinfoil Barbs & 5 * Siver Dollars in a 4*2*2 with Eheim Professional 3 2080 & Professional 2 2026 Filteration System.....
    Main Diet: Pellets, Feeder Gold Fish; Market Prawns, Bull Frog & Centipede....

  17. #17
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    Quote Originally Posted by OutdoorXplorer
    Discover the first advantage.... It increases the water volume in the tank and also experience a significant increase in the flowrate...
    Yes. We are all aware that external cannister filters increases the overall water volume in the water column.

    As for increased in flow rate.......questionable in this case. The maxinum flow rate it can achieve is only that of the Pro 3. Everything else slows it down. But that's another discussion intself and I will not digress from this thread.

    Cheers,
    I have dwarf cichlids in my tanks! Do you?

  18. #18
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    Quote Originally Posted by benny
    Interesting. If you Pro 3 is turned on and connected before a Pro 2, which is also turned on, this does not 'over-pressure' the Pro 2? Most of us connected the filter in a series would have experienced otherwise.



    Carbon pad and Coral chips are not exactly mechanical filtration media. Carbon will soak up impurities and no more than that. Coral chips keeps the pH up and can buffer a pH crash. I suppose you can consider it for mechanical if you have sufficient quantity. But then, the pH will be too high for a planted setup.

    Mechanical filtration should always be before biological filtration. Even Eheim says that in their instructions for the media allocation.

    Anyway, thanks for sharing.

    Cheers,
    Thanks for the advise. I couldn't run the setup without powering up the Pro2 as water begins to sip through the pump head and it almost flood my cabinet.

    I am aware that mechanical filteration is always step 1 and I believe that Pro3 is capable for primary mechanical filteration. I am keeping a Super Red Arowana which requires a stable pH and the coral chips is to buffer for pH fluctuation. The rest will be purifying and secondary mechanical filteration before the water return to the tank. As quoted earlier, it also increases the tank's water volume and flowrate.
    Currently Housing 1 * SR Aro, 2 * Spotted Plecos, 3 * Tinfoil Barbs & 5 * Siver Dollars in a 4*2*2 with Eheim Professional 3 2080 & Professional 2 2026 Filteration System.....
    Main Diet: Pellets, Feeder Gold Fish; Market Prawns, Bull Frog & Centipede....

  19. #19
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    Quote Originally Posted by benny
    Yes. We are all aware that external cannister filters increases the overall water volume in the water column.

    As for increased in flow rate.......questionable in this case. The maxinum flow rate it can achieve is only that of the Pro 3. Everything else slows it down. But that's another discussion intself and I will not digress from this thread.

    Cheers,
    It has been proven as move powerful intake is indicated by the surface skimmer as it pulls more downwards then before. The output shows more bubbles after Pro2 is connected.

    Maybe miracle happens at my end, I guess.
    Currently Housing 1 * SR Aro, 2 * Spotted Plecos, 3 * Tinfoil Barbs & 5 * Siver Dollars in a 4*2*2 with Eheim Professional 3 2080 & Professional 2 2026 Filteration System.....
    Main Diet: Pellets, Feeder Gold Fish; Market Prawns, Bull Frog & Centipede....

  20. #20
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    i install my UVC today
    flowrate is back to normal now. Tap not needed.

    inlet(tank) -> eheim 2028 (1050L/hr) -> CO2 Ext Reactor(from NA) -> UVC 11watt -> Eheim 1260 (2400L/hr) -> Arctica 1/5hp -> outlet(tank)

    i suppose this flow is correct?

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