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Old 07-06-2012, 12:25 AM   #1
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40b display w/ 40b sump/refugium

Will this work?
Does the horizontal length of the return pipe count when calculating the return pump head height?
Does the horizontal length of the overflow pipe slow the flow?
From the water level in the display to the water level in the sump I'm looking at ~18 inches. Not sure about the distance from the overflow outlet to the sump water level as I have not decided on which overflow to use or if I should go ahead and drill it. I have also not decided on what pump or skimmer to use yet either. Hit me with any info and hardware recommendations you would like to share.
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Old 07-06-2012, 07:31 PM   #2
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I got some good advise on this from my local reef club. I am going to redesign as drilled and go with either a Herbie or a BeAnAnimal with a Calfo overflow. Will be adding an ATO. Will also be modifying the refugium outflow section.

For now, if you have any suggestions they would be much appreciated. Will post updates when I get the drawings done this weekend.
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Old 07-06-2012, 07:35 PM   #3
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Is there a reason why you wanna run them side by side instead of one over the other. And the horizontal piping shouldnt be added in as head height but every inch of tubing you have means more water to push ie slower flow especially on elbows/bends
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Old 07-06-2012, 07:45 PM   #4
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Quote:
Originally Posted by Mrc8858
Is there a reason why you wanna run them side by side instead of one over the other. And the horizontal piping shouldnt be added in as head height but every inch of tubing you have means more water to push ie slower flow especially on elbows/bends
Simple answer... I don't have a stand large enough to put the sump under the display.

I do have two stands that will hold a 40b each. One is 30 inches tall the other is 18 inches tall. I also want the refugium as a display also. A lot of cool stuff happens in the fuge.

I am redesigning the piping with less 90deg bends and shorter horizontal runs this weekend.
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Old 07-06-2012, 07:49 PM   #5
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Sounds to me like you've got this all figured out lol ill definitely be following along
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Old 07-11-2012, 02:09 AM   #6
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Made some changes. Please feel free to point out any issues you see.

Return line is ~6.5 to 7 feet of head height by my calculations.
Do you think the overflow pipes will be loud being that they are partially angled?
I made the intake and output of the fuge at the same height.
The odd shaded area making you say "huh? What is that?" is the water level representation.
I added some short baffles, to help with any bubble issues, and an ATO.
Water level in the return section is just short of the input and fuge sections. Is it too high?
Baffles are 2 inches apart. Too wide of a gap?
I figure I have about 7.5 gallons of overflow room.
Any advice you can provide would be greatly appreciated.
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Old 07-11-2012, 02:20 AM   #7
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Why not have the return section closest to the tank and enter that side of the DT the let gravity handle the long slope from the overflow
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Old 07-11-2012, 02:48 AM   #8
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This might help you get a more accurate estimate on head loss - Head Loss
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Old 07-11-2012, 08:54 AM   #9
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Quote:
Originally Posted by Mrc8858
Why not have the return section closest to the tank and enter that side of the DT the let gravity handle the long slope from the overflow
Seeing as it takes ten feet of horizontal pipe to equal one foot of head loss, and I only have about three and a half feet of horizontal, it shouldn't make much difference to the return. I will give it a try later tonight though and see what the numbers say.

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This might help you get a more accurate estimate on head loss - Head Loss
Thanks for that. I put the numbers in off the top of my head and got back 5.11 feet of loss. I'll put more accurate numbers in later tonight.
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Old 07-11-2012, 11:07 AM   #10
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Using the head loss calculator, it came up with...
with a Mag7,
4.24 feet of loss,
at 467 gph.

For the measurements, I considered the angled section of pipe as vertical and rounded up to the nearest foot on all numbers (which only added a few inches).

Good enough?
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