Help me pick a return pump!

Discussion in 'Reef Aquarium Discussion' started by ReefSlice, Mar 6, 2018.

  1. DCR

    DCR Active Member

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    It is very unlikely you are going to get 1000-1500 gph with just two 3/4" returns no matter what pump you get. The head losses are going to be a lot more than 5 ft with that piping at that flow rate. I would not expect anymore than 600-700 gph unless you get a really high head pressure rated pump. I would just accept a 4-5X turnover rate with the two 3/4" returns you have.

    To achieve the 1000-1500 gph, the returns really need to be at least 1". You would need to swage up to 1-1/4" at the discharge of the pump and then run two 1" leads to the return ports. You generally should go up at least one pipe size from the pump discharge port. Never reduce down in size. Pumps are designed with high velocity discharge nozzles to develop head. They are not the most economical size for the return pipe.
     

  2. Reefin Dude

    Reefin Dude Member

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    can it be external?

    any pressure rated AC pump should have no problems pushing 1500gph through 3/4 bulkheads. Pan-World 200 and 250 will do it. there are several ReefFlo's (Sword Tail) that could to it.

    i could not find a DC pump that could do it. their pump curves are way to flat.

    G~
     
  3. HolisticBear

    HolisticBear Valuable Member R2R Supporter R2R Excellence Award Partner Member 2019 Reef Tank 365 Build Thread Contributor

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    Another vote for Varios
     
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  4. Jr'sReef

    Jr'sReef Active Member R2R Secret Santa

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    I have a jebao dcp 10,000 and can’t hear it in the sump is running at 95%
     
  5. Tanglover11

    Tanglover11 Member

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    Jebao Dcp 18000 basement to main floor application set on lowest setting. Zero noise plenty of power! Replaced a Deepwater DC15000 that continuously failed and a Mag drive 24 that was loud and didn’t have the power to push enough water
     
  6. ReefSlice

    ReefSlice Active Member

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    How about a fluval sp4 or 6? I'd still be reducing the plumbing but not as much as the others and I know the AC pumps have more of a kick.
     
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  7. Oleshp

    Oleshp Member

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    I actually thought about the sp4 before going with the varios. I wanted a DC pump so the flow control was done with the controller rather than just restricting flow.
     
  8. Centerline

    Centerline Valuable Member R2R Supporter Partner Member 2019 Build Thread Contributor

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    Vote for Various!
    MVIMG_20180306_144154.jpg
     
  9. ReefSlice

    ReefSlice Active Member

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    Or perhaps even go old school and use 2 eheim 1262's, that way I'm not reducing plumbing size. Wondering how much heat and power that would take though.
     
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  10. Tanglover11

    Tanglover11 Member

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    IMG_6435.JPG
    Dcp18000 Jebao in basement sump
    IMG_6492.JPG
     
  11. Centerline

    Centerline Valuable Member R2R Supporter Partner Member 2019 Build Thread Contributor

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    They certainly are quite!
     
  12. rosshamsandwich

    rosshamsandwich Well-Known Member

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    are lifegard aquatics quiet one pumps any good? anyone use it?
     
  13. jeffrey holloway

    jeffrey holloway Active Member

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    Give Danner Mag Drives a look. Low priced, flat out push the water that it says it will, and bulit to last.
     
  14. coralfrenzy88

    coralfrenzy88 Active Member

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    Jebao dct series....they come with a controller and are excellent pumps that are super quiet.....I got a 12000 model and it makes at 3100gph but I throttled mine down. So I could use it in my.mixed reef and at same time extend the life of the pump....they have some nice features to for the price....I only.paid 100 for mine on eBay and it was brand new

    Sent from my H1611 using REEF2REEF mobile app
     
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  15. GoldeneyeRet

    GoldeneyeRet Valuable Member R2R Supporter R2R Excellence Award Partner Member 2019

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    Fluval sp and be done with it!
     
  16. rockskimmerflow

    rockskimmerflow Well-Known Member

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    I agree with the Fluval SP series or Eheim 1262 pair to run the tank. Personally, I'd never trust a DC return pump with a power brick and cheap controller. Too many points of failure for literally the most critical piece of filtration equipment. At the end of the day OP just wants to push as much water as he can through the 3/4" returns. You'd have a bit more plumbing to do put together with the Fluval SP option and you'd get a bit more flow/wattage than the Eheims. Though, the eheims would be very straight forward to plumb and you'd have redundancy with 2 discrete pumps operating. If you live in an area where you don't or will rarely need a chiller then you might actually benefit from the extra watts the 2 eheims would add since your heater would have a little less work to do in a given duty cycle.
     
  17. rockskimmerflow

    rockskimmerflow Well-Known Member

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    Not to hijack, but you might really want to rethink the way that UV sterilizer is plumbed. As a rule UV inlets and outlets need to be positioned so the body of the sterilizer if full of water when operating and remains full in the event of feed pump power failure. Looks like a simple and effective sump setup otherwise, nice clean installation of the equipment.
     
  18. ReefSlice

    ReefSlice Active Member

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    I live in South Florida, so extra heat is definitely not a good thing, but hard to say how much heat that would be.
    I also thought about running dual returns and god forbid one fails, a back siphon fed by the other working pump will flood my house.
    I think I've decided on just using a fluval sp, this was my original plan but Im not sure whether the sp4 will give me enough kick after the reduction, however the sp6 uses 1 1/4 so I'd be reducing even further. My plan is to keep the pumps plumbing up to the t where my returns split and then reduce from the t to reduce pressure change.
    So, should I go with the sp4 or sp6 to get ~1000 gph through my returns?
     
    Last edited: Mar 7, 2018
  19. Jerry Ebner

    Jerry Ebner Active Member

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    Reef octo various 6 dc pump and i have one inch pvc pipe.
     
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  20. gcrawford

    gcrawford Well-Known Member

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    Varios all the way. Silent and large return pipes can be used. [​IMG][​IMG][​IMG]
     
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