Return Pump

Discussion in 'Filters, Pumps, etc..' started by arthur, May 9, 2015.

to remove this notice and enjoy 3reef content with less ads. 3reef membership is free.

  1. arthur

    arthur Spanish Shawl Nudibranch

    Joined:
    Aug 11, 2014
    Messages:
    96
    As some of you know my 40 gal. Breeder project is almost done [​IMG] I bought Return Pump as last piece to finish… I decided to buy new version of Jebao DCT 4000 which max flow is little over 1000 gal/hour. But Im confused now. Either pump is defective or…. no idea. Pump has 10 speeds but on full power it is still little flow in the tank. I don't know whats going on. I have a 3/4 PVC return pipe split with tee and then pipes go to two corners. Nothing fancy just regular plumbing. I will try to return it and get 6000. Will see if I can do it. So Im back on market for Return Pump. Any idea what I did wrong? thanks.
     
  2. Click Here!

  3. artur

    artur Fire Shrimp

    Joined:
    Aug 3, 2010
    Messages:
    309
    Location:
    Naperville il
    Pic's
     

    Attached Files:

  4. arthur

    arthur Spanish Shawl Nudibranch

    Joined:
    Aug 11, 2014
    Messages:
    96
    That last pic shows how small inside diameter is. I can't believe it. Looks like less then 1/2". I went to Home Depot and bought some PVC and change that part with inside almost 3/4". It did help a lot but still not what I would like [​IMG]
     
  5. Todd_Sails

    Todd_Sails Giant Squid

    Joined:
    Jul 3, 2011
    Messages:
    4,732
    Location:
    A Texan in S.E. Wisconsin
    There may be nothing wrong with it. I assume you have head height, etc.
    I would think you'd need at least one power head in the DT also for flow.
    It's a rare thing when someone relieds solely on the RP for DT flow.

    Good luck
     
  6. Vinnyboombatz

    Vinnyboombatz Giant Squid

    Joined:
    Oct 24, 2010
    Messages:
    6,344
    Location:
    Dunnellon, Florida
    TEES AND ELBOWS WILL DRASTICALLY EFFECT FLOW AS WELL.
     
  7. artur

    artur Fire Shrimp

    Joined:
    Aug 3, 2010
    Messages:
    309
    Location:
    Naperville il
    I thought that it will have more flow even after head loss and tees and elbows. I understand that I need power head or two also. I should buy 6000 version. Thanks.
     
  8. Click Here!

  9. Billme

    Billme Eyelash Blennie

    Joined:
    Sep 9, 2013
    Messages:
    1,260
    Location:
    Bakersfield, Ca
    Time it to see how long it takes to fill a 5 gallon tub at the same height.
     
  10. rcflyer1388

    rcflyer1388 Bubble Tip Anemone

    Joined:
    Jan 28, 2013
    Messages:
    670
    Location:
    Queens, NYC
    I use the DC12000 in my 90 gal tank. I run 1 inch pvc return line and off that return line I have my recirc skimmer plumbed in. They are pretty good pumps for the money. This is my second one I bought. My first one quite after a year of continous service without even cleaning the thing. And even when it quit, I don't think it's the pump that died, but the controller that went on it. Just don't forget the head pressure on a larger diameter line will increase a bit more because of the weight of the water. I have my headpressure at about 5 1/2 feet and it runs at about 1200gph 3/4 speed.
     
  11. Pickupman66

    Pickupman66 Tassled File Fish

    Joined:
    Jun 29, 2010
    Messages:
    1,991
    Location:
    Winchester, TN
    I have a DC6000 on my 66 gallon tank and the most I can do with it is about 1/2 speed. otherwise my overflow is too noisy. they are good pumps, but i woudl check yours. something doesnt sound right.
     
  12. evolved

    evolved Wrasse Freak

    Joined:
    Feb 26, 2010
    Messages:
    4,257
    Location:
    Phoenix, AZ
    I see a lot of plumbing restrictions; the section of clear vinyl tubing being one of the biggest. That reduces cross-section quite a bit.

    Can we see the rest of the plumbing? If you have a check valve in there, that's another sizable restriction.