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Old 01-19-2013, 10:17 AM   #11
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Eheim compact 5000 is good


It all depends on head height how far you are pushing water

I run 2 x 18,000 lph and 1 x 30,000 lph

One of the 18,000 lph pumps has to push water about 10 ft so I only get about 10,000 lph out of that pump
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Old 01-19-2013, 10:59 AM   #12
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This is a good point - head height makes a big difference. I was assuming a head height of around 4-5 feet.
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Old 01-19-2013, 01:31 PM   #13
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I will be pushing water 4-5 feet. If I T both lines can they be 1" then bump up to 1.5" after T? Of should I just run 1.25" all the way to T and after T?
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Old 01-19-2013, 01:38 PM   #14
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If your drains are 1.5 I would run 1.5 to the 2 and 2 after.
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Old 01-19-2013, 01:58 PM   #15
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Something like this? Won't this much flow require me to have a much greater GPH return pump?
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Old 01-19-2013, 02:18 PM   #16
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What you also need to remember with T is you will also need flow valve adjusters as water will go to the shortest point so you will have strong flow from the shortest pipe and slow from the longest

So you need a valve on the shortest to slow it to the same speed as the longest pipe

I have 4 x 50 mm drains on mine and it handles the flow I mentioned easy
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Old 01-19-2013, 02:21 PM   #17
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Yeah I'll probably throw a valve on all lines. For adjustments and security purposes. Y can't I just run 1" again?
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