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Is This Too Big?

redfishbluefish

Officer Emeritus
Officer Emeritus
I've been meaning to switch out the MAG 9.5 return pump I have for a DC pump. I was fortunate enough to win a DC pump at NJ-RAP (I know it was listed as NY, but it was in NJ). I put the ticket in just seeing "DC Pump," and didn't take note of the specs. It was a DeepWater DC10.


THIS THING IS BIG.....in size and amount of water it pumps. Here it is next to a MAG 9.5.












And the specs state that this pumps 2650 gph. I know it has six pump speeds, but do you think this is too big? Should I look for a smaller pump? From current 950 gph to 2650 gph.
 
If it has six speeds why would it be to big I would go for it and start at the lowest speed then work it up from there Paul
 

mnat

Officer Emeritus
Staff member
Moderator
Mag 9.5 pushes 950g so having it throttled all the way down would be just about equal. I would assume if would use a ton less electricity.
 
paul if you want to sell it send me a price. :)

i won an eheim 1260 on saturday. i think i was the only person who put a ticket in the box.
 

Hockeynut

NJRC Member
The only thing to consider is if something goes wrong and the pump jumps to its highest setting for some crazy reason you could potentially have a disaster. My rule is no pump my plumbing can't handle.


Sent from my iPhone using Tapatalk
 

TanksNStuff

Officer Emeritus
Officer Emeritus
I'm sort of late to this party, but gratz on the win Paul! That's a nice pump.

I would think on the lowest speed setting, you would be fine. The only issue I see is the difference in discharge fitting diameters. You will have to adapt it down to your current size, which may actually increase flow rate so not sure how it will turn out. However, it might be a good time to implement a manifold system if you don't already have one. This pump would easily run as a return pump and allow you to tee off for a few reactors and such without any problems (assuming you don't have a lot of head pressure to deal with.)

I don't recall your equipment setup Paul, but this could potentially replace not only your return pump but your reactor pumps as well if you have them running separate.
 
The Mag 9.5 I believe is 3/4" plumbing and the flow curve reflects larger plumbing so may be putting out less than expected.

The fittings on the other pump look big so you may need to reduce the outlet to fit your existing system. This combined with the reduced speed settings may work fine.

Interested to see how it works.
 
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