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Old 04-19-2011, 10:16 AM   #1
Jjay
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Return pump(s) for dual overflow/return


Is it best to split the retrun line with a T so each gets flow returned, or use 2 separate return pumps?

120 gallon Aqueon Reef Ready aquarium (dual overflows)
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Old 04-19-2011, 10:32 AM   #2
Rustl3r
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Are your two drain lines going into different sumps? if they just end up in the same sump, why not just use one powerful pump? After the pump, you can split the flow any way you want.
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Old 04-19-2011, 11:31 AM   #3
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They will both be in the same sump, i just didnt know if there was any drawbacks to splitting the return.
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Old 04-19-2011, 08:23 PM   #4
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Two pumps is better than one. That way if one fails, you still have one running.
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Old 04-19-2011, 08:35 PM   #5
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Quote:
Originally Posted by Jadinop View Post
Two pumps is better than one. That way if one fails, you still have one running.
+1

but also remember to look for the heat output, two running pumps could heat your water more then one powerful pump. it could be good or bad...

I keep my house at 71-73F so my heaters kick on....
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Old 04-19-2011, 08:43 PM   #6
Trigger264
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If you decide on running 2 return pumps, try tunze's new silence return pumps, they produce basically no heat, and are 100% silent!
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Old 04-20-2011, 10:52 AM   #7
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do you have a link for these return pumps? I'm in the market for one.
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Old 04-20-2011, 12:55 PM   #8
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Two pumps is better than one. That way if one fails, you still have one running.
I disagree, the cost of running two pumps out weights the benefits. A quality return pumps rarely fails if maintained properly. And if they do fail they generally gives plenty of warning before it goes completely out. Running two pumps adds more heat, uses more electricity, and are inefficient as far as gallons per wattage.
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Old 04-20-2011, 04:04 PM   #9
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do you have a link for these return pumps? I'm in the market for one.
Marine Depot Carries them, MrSaltwatertank.com did a review on them, there is a video on his site about them.It is an amazing little pump!
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Old 04-20-2011, 04:21 PM   #10
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I disagree, the cost of running two pumps out weights the benefits. A quality return pumps rarely fails if maintained properly. And if they do fail they generally gives plenty of warning before it goes completely out. Running two pumps adds more heat, uses more electricity, and are inefficient as far as gallons per wattage.
You can disagree all you like but your arguments are all incorrect.

Two smaller pumps would provide the same flow and use the same wattage as one large pump. Running two 40 watt pumps is no different than running one 80 watt pump.

Return pumps fail all the time regardless of the brand.

In most cases, pumps fail without warning and just after all of the local fish store closes, it's Murphys law.
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Old 04-20-2011, 04:47 PM   #11
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You can disagree all you like but your arguments are all incorrect.

Two smaller pumps would provide the same flow and use the same wattage as one large pump. Running two 40 watt pumps is no different than running one 80 watt pump.

Return pumps fail all the time regardless of the brand.

In most cases, pumps fail without warning and just after all of the local fish store closes, it's Murphys law.
Safer then sorry I agree but if it fails that often then we would see more advance hobbyist run two pumps but we don't. The cost and work involved in running two pumps out weighs the benefits for me. But then again I have the foresight to design my tank so that if the pump did go out the tank could survive with out issues for easily a day. I'm also smart enough to keep spare pumps on hand when thousands of dollars are at stake.
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Old 04-20-2011, 04:49 PM   #12
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Quote:
Originally Posted by Jadinop View Post
You can disagree all you like but your arguments are all incorrect.

Two smaller pumps would provide the same flow and use the same wattage as one large pump. Running two 40 watt pumps is no different than running one 80 watt pump.

Return pumps fail all the time regardless of the brand.

In most cases, pumps fail without warning and just after all of the local fish store closes, it's Murphys law.

I have to agree and disagree with both of you on the pumps here....

A LOT of pumps out there use less watts per gallon the bigger they get, BUT there are a lot of variables involved.

you CAN get 2 pumps with the same TOTAL specs as a single larger pump...
but they are not as common as the others.


Now on the other hand I have had quite a few pumps over the years fail, and I must be dumb because I never knew it was going to happen. and yes the store closes at 7PM and the pump usually goes right after dinner, go figure!
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Old 04-20-2011, 04:50 PM   #13
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Safer then sorry I agree but if it fails that often then we would see more advance hobbyist run two pumps but we don't. The cost and work involved in running two pumps out weighs the benefits for me. But then again I have the foresight to design my tank so that if the pump did go out the tank could survive with out issues for easily a day. I'm also smart enough to keep spare pumps on hand when thousands of dollars are at stake.
I know LOTS of people on here that have back up pumps.....
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