Expanded tank 400 Gallons plumb return ideas. Any large water movers out there?

Discussion in 'General Equipment, Hardware, Filtration' started by joekool, Nov 4, 2017.

  1. rppvt

    rppvt Member

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    I used to run a Dart on a 75. with huge, screened 2"piping. A big waste of electricity if you ask me. The filtering was a separate, slower system. IMHO, I'd use some other method of circulation and count on that (gyre or Turbelles, etc..) rather than a high turnover CL system. but good luck and have fun.
     

  2. Shaun Sweeney

    Shaun Sweeney Active Member

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    I have about 400 gallons with two main DT's. I ran 2" mains then dropped to four 1.5" return pipes in the displays. Each of the submerged return pipes are different lengths and can be selected/controlled separately so over the course of a month, I modify the output from each of the pipes to vary flow patterns in the tank. My two tanks are identical in size and shape only one has this return system and this tank does better than the other in terms of growth. The other tank has the traditional returns at the top.
     
  3. joekool

    joekool Mixed Reefer Build Thread Contributor Partner Member 2018

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    So what is the advantage of running a return pipe larger than the outlet of the pump
     
  4. joekool

    joekool Mixed Reefer Build Thread Contributor Partner Member 2018

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    I have been running a super dart for years I'm not too worried about running it because I already have an already have been.

    I'm pretty sure I mentioned that I already have the pump.
     
  5. Shaun Sweeney

    Shaun Sweeney Active Member

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    Less resistance, better thru put. I once ran a 1" line over a mile with a natural drop in elevation of about 60'. Water would not naturally siphon thru it due to resistance.
     
  6. joekool

    joekool Mixed Reefer Build Thread Contributor Partner Member 2018

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