what return pump for 210 gallon?
ive just set up a 210 gallon tank with a 65 gallon sump with a large refugium in it. i was wondering if you could suggest a return pump for this system. it has dual overflows and measures 72"x24"x29"
thanks in advance -z |
Mag 9
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Agreed, Mag 9.
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^ or equivelant
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I've got a 210 also and in my opinion a mag 9 is WAY to small. I've got a 75 gal sump and both overflows go to the sump and refugium and get returned with a Iwaki 55, about 1100 GPH. I've also got a closed loop running with a sequence hammerhead (5800GPH) but it returnes through a 20 outlet 3 section manifold. So with all the elbows and such I've got about 6000GPH flow and it's not to much as some may think. Do yourself a favor and go bigger than you think you'll need and you can always cut it back.
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i would go with the mag 12.. i running the mag 18 on my 280. You want to shoot for 3-5x turnover through your sump.
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You can also turn it down as well like sammie said and you also gotta take into consideration head loss the pump is going to have.
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If you can afford it Sammie is right. Iwaki japanese motor.
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Eheim 1262, much higher quality pump than a mag that will run cooler, quieter, and last longer. Their output tends to be underrated unlike the mag pumps which are overrated. It will be a bit more expensive, not alot, but it will be worth it in the long run. These pumps have the reputation to last for more than a decade. They also can be run external to further reduce heat more reliably than a mag pump. Mag pumps were really never intended to be external pumps, but some people have had luck running them that way.
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here is a good link to read up on about pumps. It's on dolphin's web site. Not saying to get a dolphin pump. But I like the one I have.
http://www.dolphinpumps.com/plumbing.htm |
I use the E-heim 1262 on my 215 and I am very happy with it. It produces a lot less heat than a similar-sized mag-drive and it is quieter too - but more expensive. :)
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Eheim 1262
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Mag 9
4ft head 3 90 degree elbows 1 inch tubing = 741 gal/hr 741/210 = 3.52 turnovers /hr |
A 1262 will outflow a Mag9 while using smaller plumbing, less power, less noise, less heat. You need big 1.5" plumbing to get good flow from a Mag9.5.
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Mag 9
Max head 14 ft 800 gal/hr @4ft Eheim Max head 11.8 ft 655 gal/hr @4ft |
Yeah, that is what the specs say. It isn't accurate. Its is confusing. Ask anyone who has actually used both. Mag overrates their pumps, Eheim underrates theirs. Same with a mag7 and Eheim 1260. The 1260 smokes the Mag7 in practice.
BTW, that 800 GPH "rating" on the Mag is with 1.5" plumbing. |
I concur with the Eheim people - 1262
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