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View Poll Results: 1 return pump or 2 return pumps?
1 Return Pump 12 70.59%
2 Return Pumps 5 29.41%
Voters: 17. You may not vote on this poll

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Old 04-28-2012, 01:00 PM   #11
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I use 2 pumps. Space wasn't an issue, and I feel 2 smaller pumps would draw close to the same amount of power, as 1 larger pump. I felt 2 would offer a little more redundancy, if 1 fails I've still got filtration until I realize it or get home.
Sump and refuge are tied by bulkheads for this purpose.
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Old 04-29-2012, 11:19 AM   #12
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How would you realize it, if one of the pumps was running? Do you check every day to see if both pumps are actually working?
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Old 04-29-2012, 11:22 AM   #13
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Quote:
Originally Posted by mr_X
How would you realize it, if one of the pumps was running? Do you check every day to see if both pumps are actually working?
Probably by glancing at the return pipe to see if flow is coming out
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Old 04-29-2012, 11:39 AM   #14
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With only one running, level in sump is higher, and water doesn't flow through sump normally, side with failed pump is more full.
Really very easy actually.
Or just look at the return, see current? It's on! Lol
If I were gone for a week and my pump failed, only having one, my tank is probably gone. With 2 I still have filtration till I get home. And I still have a tank to come home to!!
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Old 04-29-2012, 11:42 AM   #15
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The sump is higher because the pump that's off is back siphoning now? You have the return pumps in different compartments?
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Old 04-29-2012, 11:53 AM   #16
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Backsiphons a little up to vent hole that I drilled.
Sump rides couple inches higher than normal.
I have a 30" sump and a 30" refuge. Drains flow to middle, refuge to right with return at end, sump to left with skimmer, and return at that end.
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Old 04-29-2012, 02:29 PM   #17
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Two are Better than One:-)

I installed two pumps. Only one runs at a time. I swap them out with each water change.

My opinion is that two is the way to go if you can afford it. I live out in the country and it would take several hours for me to obtain a replacement should the pump fail. Having two plumbed into the system gives me the backup that removes any worry.

Hope this helps you make a decision.
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Old 04-29-2012, 02:57 PM   #18
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A pump will last a lot longer sitting on a shelf than it would soaking in salt water.
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Old 04-29-2012, 05:32 PM   #19
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I vote to use one pump with a spare on the shelf. Pumps fail in the middle of the night sometimes and finding a new one in a rush can be a real problem.
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Old 04-30-2012, 01:55 AM   #20
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I have two Rio pumps running all the time mark water flow
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