Return pump for 150 gallon?

[XtinctioN]

I will be using an asm g4+ skimmer with a sedra 9000 pump. My return pump is quite one 6000. Is that enough flow? Btw my tank is 48lx24wx30h

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[ReeferBob]

That is 1500gph. Your return pump is totally dependant on how much your drains can handle. Off the cuff I will say that is about twice what you need. At full capacity, your drains are going to be flushing/surging and creating a lot of turbulence in your sump.

 

[Reefing Madness]

All depends on your Overflows.

[TD="class: blueBG, colspan: 14"] Quiet One Flow Chart [/TD]

[TD="class: top prod_head_pumpmodel"]Pump Model[/TD]
[TD="class: top prod_head_maximumflowbrgph"]Maximum Flow
GPH[/TD]
[TD="class: top prod_head_minimumflowbrgph"]Minimum Flow
GPH *[/TD]
[TD="class: top prod_head_maxflowbrat1"]Max Flow
at 1'[/TD]
[TD="class: top prod_head_maxflowbrat2"]Max Flow
at 2'[/TD]
[TD="class: top prod_head_maxflowbrat3"]Max Flow
at 3'[/TD]
[TD="class: top prod_head_maxflowbrat4"]Max Flow
at 4'[/TD]
[TD="class: top prod_head_maxflowbrat5"]Max Flow
at 5'[/TD]
[TD="class: top prod_head_maxflowbrat6"]Max Flow
at 6'[/TD]
[TD="class: top prod_head_maxflowbrat7"]Max Flow
at 7'[/TD]
[TD="class: top prod_head_maxflowbrat8"]Max Flow
at 8'[/TD]
[TD="class: top prod_head_maxflowbrat9"]Max Flow
at 9'[/TD]
[TD="class: top prod_head_maxflowbrat10"]Max Flow
at 10'[/TD]
[TD="class: top prod_head_shutoffbrfeet"]Shut Off
Feet[/TD]

[TD="class: prod_pumpmodel"]200[/TD]
[TD="class: prod_maximumflowbrgph"]53[/TD]
[TD="class: prod_minimumflowbrgph"]35[/TD]
[TD="class: prod_maxflowbrat1"]30[/TD]
[TD="class: prod_maxflowbrat2"] [/TD]
[TD="class: prod_maxflowbrat3"] [/TD]
[TD="class: prod_maxflowbrat4"] [/TD]
[TD="class: prod_maxflowbrat5"] [/TD]
[TD="class: prod_maxflowbrat6"] [/TD]
[TD="class: prod_maxflowbrat7"] [/TD]
[TD="class: prod_maxflowbrat8"] [/TD]
[TD="class: prod_maxflowbrat9"] [/TD]
[TD="class: prod_maxflowbrat10"] [/TD]
[TD="class: prod_shutoffbrfeet"]1.64'[/TD]

[TD="class: prod_pumpmodel"]400[/TD]
[TD="class: prod_maximumflowbrgph"]106[/TD]
[TD="class: prod_minimumflowbrgph"]55[/TD]
[TD="class: prod_maxflowbrat1"]71[/TD]
[TD="class: prod_maxflowbrat2"]15[/TD]
[TD="class: prod_maxflowbrat3"] [/TD]
[TD="class: prod_maxflowbrat4"] [/TD]
[TD="class: prod_maxflowbrat5"] [/TD]
[TD="class: prod_maxflowbrat6"] [/TD]
[TD="class: prod_maxflowbrat7"] [/TD]
[TD="class: prod_maxflowbrat8"] [/TD]
[TD="class: prod_maxflowbrat9"] [/TD]
[TD="class: prod_maxflowbrat10"] [/TD]
[TD="class: prod_shutoffbrfeet"]2.13'[/TD]

[TD="class: prod_pumpmodel"]800[/TD]
[TD="class: prod_maximumflowbrgph"]220[/TD]
[TD="class: prod_minimumflowbrgph"]140[/TD]
[TD="class: prod_maxflowbrat1"]189[/TD]
[TD="class: prod_maxflowbrat2"]154[/TD]
[TD="class: prod_maxflowbrat3"]109[/TD]
[TD="class: prod_maxflowbrat4"]36[/TD]
[TD="class: prod_maxflowbrat5"] [/TD]
[TD="class: prod_maxflowbrat6"] [/TD]
[TD="class: prod_maxflowbrat7"] [/TD]
[TD="class: prod_maxflowbrat8"] [/TD]
[TD="class: prod_maxflowbrat9"] [/TD]
[TD="class: prod_maxflowbrat10"] [/TD]
[TD="class: prod_shutoffbrfeet"]4.37'[/TD]

[TD="class: prod_pumpmodel"]1200[/TD]
[TD="class: prod_maximumflowbrgph"]296[/TD]
[TD="class: prod_minimumflowbrgph"]175[/TD]
[TD="class: prod_maxflowbrat1"]270[/TD]
[TD="class: prod_maxflowbrat2"]241[/TD]
[TD="class: prod_maxflowbrat3"]210[/TD]
[TD="class: prod_maxflowbrat4"]175[/TD]
[TD="class: prod_maxflowbrat5"]125[/TD]
[TD="class: prod_maxflowbrat6"]20[/TD]
[TD="class: prod_maxflowbrat7"] [/TD]
[TD="class: prod_maxflowbrat8"] [/TD]
[TD="class: prod_maxflowbrat9"] [/TD]
[TD="class: prod_maxflowbrat10"] [/TD]
[TD="class: prod_shutoffbrfeet"]6.10'[/TD]

[TD="class: prod_pumpmodel"]2200[/TD]
[TD="class: prod_maximumflowbrgph"]594[/TD]
[TD="class: prod_minimumflowbrgph"]404[/TD]
[TD="class: prod_maxflowbrat1"]563[/TD]
[TD="class: prod_maxflowbrat2"]528[/TD]
[TD="class: prod_maxflowbrat3"]493[/TD]
[TD="class: prod_maxflowbrat4"]455[/TD]
[TD="class: prod_maxflowbrat5"]410[/TD]
[TD="class: prod_maxflowbrat6"]361[/TD]
[TD="class: prod_maxflowbrat7"]308[/TD]
[TD="class: prod_maxflowbrat8"]258[/TD]
[TD="class: prod_maxflowbrat9"]188[/TD]
[TD="class: prod_maxflowbrat10"]96[/TD]
[TD="class: prod_shutoffbrfeet"]10.66'[/TD]

[TD="class: prod_pumpmodel"]3000[/TD]
[TD="class: prod_maximumflowbrgph"]819[/TD]
[TD="class: prod_minimumflowbrgph"]423[/TD]
[TD="class: prod_maxflowbrat1"]781[/TD]
[TD="class: prod_maxflowbrat2"]731[/TD]
[TD="class: prod_maxflowbrat3"]672[/TD]
[TD="class: prod_maxflowbrat4"]611[/TD]
[TD="class: prod_maxflowbrat5"]540[/TD]
[TD="class: prod_maxflowbrat6"]463[/TD]
[TD="class: prod_maxflowbrat7"]375[/TD]
[TD="class: prod_maxflowbrat8"]291[/TD]
[TD="class: prod_maxflowbrat9"]193[/TD]
[TD="class: prod_maxflowbrat10"]66[/TD]
[TD="class: prod_shutoffbrfeet"]10.33'[/TD]

[TD="class: prod_pumpmodel"]4000[/TD]
[TD="class: prod_maximumflowbrgph"]991[/TD]
[TD="class: prod_minimumflowbrgph"]476[/TD]
[TD="class: prod_maxflowbrat1"]937[/TD]
[TD="class: prod_maxflowbrat2"]861[/TD]
[TD="class: prod_maxflowbrat3"]786[/TD]
[TD="class: prod_maxflowbrat4"]712[/TD]
[TD="class: prod_maxflowbrat5"]621[/TD]
[TD="class: prod_maxflowbrat6"]528[/TD]
[TD="class: prod_maxflowbrat7"]408[/TD]
[TD="class: prod_maxflowbrat8"]305[/TD]
[TD="class: prod_maxflowbrat9"]176[/TD]
[TD="class: prod_maxflowbrat10"]25[/TD]
[TD="class: prod_shutoffbrfeet"]10.17'[/TD]

[TD="class: prod_pumpmodel"]5000[/TD]
[TD="class: prod_maximumflowbrgph"]1400[/TD]
[TD="class: prod_minimumflowbrgph"]793[/TD]
[TD="class: prod_maxflowbrat1"]1347[/TD]
[TD="class: prod_maxflowbrat2"]1278[/TD]
[TD="class: prod_maxflowbrat3"]1205[/TD]
[TD="class: prod_maxflowbrat4"]1129[/TD]
[TD="class: prod_maxflowbrat5"]1041[/TD]
[TD="class: prod_maxflowbrat6"]906[/TD]
[TD="class: prod_maxflowbrat7"]801[/TD]
[TD="class: prod_maxflowbrat8"]695[/TD]
[TD="class: prod_maxflowbrat9"]590[/TD]
[TD="class: prod_maxflowbrat10"]467[/TD]
[TD="class: prod_shutoffbrfeet"]11.65'[/TD]

[TD="class: prod_pumpmodel"] 6000
[/TD]
[TD="class: prod_maximumflowbrgph"] 1664 [/TD]
[TD="class: prod_minimumflowbrgph"] 819 [/TD]
[TD="class: prod_maxflowbrat1"] 1592 [/TD]
[TD="class: prod_maxflowbrat2"] 1514 [/TD]
[TD="class: prod_maxflowbrat3"] 1419 [/TD]
[TD="class: prod_maxflowbrat4"] 1321 [/TD]
[TD="class: prod_maxflowbrat5"] 1214 [/TD]
[TD="class: prod_maxflowbrat6"] 1070 [/TD]
[TD="class: prod_maxflowbrat7"] 925 [/TD]
[TD="class: prod_maxflowbrat8"] 766 [/TD]
[TD="class: prod_maxflowbrat9"] 587 [/TD]
[TD="class: prod_maxflowbrat10"] 421 [/TD]
[TD="class: prod_shutoffbrfeet"] 11.65' [/TD]

[TD="class: prod_pumpmodel"]9000[/TD]
[TD="class: prod_maximumflowbrgph"]2040[/TD]
[TD="class: prod_minimumflowbrgph"] [/TD]
[TD="class: prod_maxflowbrat1"]2000[/TD]
[TD="class: prod_maxflowbrat2"]1920[/TD]
[TD="class: prod_maxflowbrat3"]1837[/TD]
[TD="class: prod_maxflowbrat4"]1749[/TD]
[TD="class: prod_maxflowbrat5"]1656[/TD]
[TD="class: prod_maxflowbrat6"]1579[/TD]
[TD="class: prod_maxflowbrat7"]1500[/TD]
[TD="class: prod_maxflowbrat8"]1423[/TD]
[TD="class: prod_maxflowbrat9"]1341[/TD]
[TD="class: prod_maxflowbrat10"]1237[/TD]
[TD="class: prod_shutoffbrfeet"]16.40'[/TD]

[TD="class: prod_pumpmodel"]14000[/TD]
[TD="class: prod_maximumflowbrgph"]3307[/TD]
[TD="class: prod_minimumflowbrgph"] [/TD]
[TD="class: prod_maxflowbrat1"]3250[/TD]
[TD="class: prod_maxflowbrat2"]3181[/TD]
[TD="class: prod_maxflowbrat3"]3115[/TD]
[TD="class: prod_maxflowbrat4"]3050[/TD]
[TD="class: prod_maxflowbrat5"]3000[/TD]
[TD="class: prod_maxflowbrat6"]2932[/TD]
[TD="class: prod_maxflowbrat7"]2865[/TD]
[TD="class: prod_maxflowbrat8"]2794[/TD]
[TD="class: prod_maxflowbrat9"]2713[/TD]
[TD="class: prod_maxflowbrat10"]2644[/TD]
[TD="class: prod_shutoffbrfeet"]25.00'
[/TD]

[TD="class: prod_pumpmodel"]16000[/TD]
[TD="class: prod_maximumflowbrgph"]3915[/TD]
[TD="class: prod_minimumflowbrgph"] [/TD]
[TD="class: prod_maxflowbrat1"]3800[/TD]
[TD="class: prod_maxflowbrat2"]3700[/TD]
[TD="class: prod_maxflowbrat3"]3551[/TD]
[TD="class: prod_maxflowbrat4"]3434[/TD]
[TD="class: prod_maxflowbrat5"]3300[/TD]
[TD="class: prod_maxflowbrat6"]3155[/TD]
[TD="class: prod_maxflowbrat7"]2997[/TD]
[TD="class: prod_maxflowbrat8"]2806[/TD]
[TD="class: prod_maxflowbrat9"]2625[/TD]
[TD="class: prod_maxflowbrat10"]2387[/TD]
[TD="class: prod_shutoffbrfeet"]14.80'[/TD]

 

[AZDesertRat]

An average headloss of say 5-6 feet including water surface elevations between the sump and display and piping and friction losses in the plumbing and fittings puts you a little on the high side of the 3-5x display volume rule of thumb but I think you are good. A ball valve or gate valve on the discharge side of the pump will give you athe ability to throttle flows if needed for fine tuning.

As already mentioned your overflow sizing is a critical component but also your sump size and configuration. 1000-1200+/- GPH may be too much velocity if your sump is not very big or you do not have good baffles to act as a bubble trap. I am running a WaterBlaster HY-5000 wide open on a 100G display with a 30G sump and I am finding it is too much for my reef, the single overflow is maxxed out and I can't keep it as quiet as I like so will end up throttling the flow back.

Another thing you can do is install a manifold on the discharge side of the pump and combine functions into one pump such as GFO and carbon reactors, a calcium reactor, the feed to a skimmer etc. This uses some of the excess flow you don't want to return to the tank and reduces the number of pumps and often energy usage and heat gain in the process.

 

[XtinctioN]

My stand is 36" tall and the tank is 30". The overflow drain hole is 1.5 inches. Also the return pump is 2nd hand used pump so its weaker than a newer one?

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