608 Tank/Build Updates

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Reef-junky

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The closest iwaki we can compare to has a flow rate of 2136 and tops out at 40ft vs the pump you suggested. That’s over double. DC pumps can’t handle as much head pressure as AC pumps by the way.
 
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Reef-junky

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You probably could get a big AC pump. You would have to look at the headloss curve and take your fittings into account 90’s, 45’s, PVC size ect then match that to your desired speed.
 
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Reef-junky

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The first place to start is to look at the head loss curve for the pump you want to buy. Look at the flow for the pump at the total vertical height your going. Then you have to add the loss in for your fittings and PVC diameter. Go a little over the flow you are trying to achieve. An example of a head loss chart is this
 

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WIReefer

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The first place to start is to look at the head loss curve for the pump you want to buy. Look at the flow for the pump at the total vertical height your going. Then you have to add the loss in for your fittings and PVC diameter. Go a little over the flow you are trying to achieve. An example of a head loss chart is this
Nice chart! I’m going to need to do this shortly. I don’t have a tons I head pressure maybe 13ft but I have to cut across half of my basement which may be a problem.
 

Reef-junky

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Nice chart! I’m going to need to do this shortly. I don’t have a tons I head pressure maybe 13ft but I have to cut across half of my basement which may be a problem.

Eheim head loss charts are easy to find as well.

5D3384B0-C15D-49A0-9553-055971C740CE.jpeg
 

Reef-junky

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Nice chart! I’m going to need to do this shortly. I don’t have a tons I head pressure maybe 13ft but I have to cut across half of my basement which may be a problem.

From what I remember horizontal runs don’t have much effect on a return pump.
 
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WIReefer

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From what I remember horizontal runs don’t have much effect on a return pump.
That would be very nice in my case. I wonder how it affects the overflow plumbing.
 

WIReefer

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A long run could be bad on that side.
That’s what I was thinking, planning on using large plumbing if that helps I’ll have to research that more.
 
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