Mag 9.5 Drive Pump

Discussion in 'Filters, Pumps, etc..' started by Foreverfishy, Jul 15, 2011.

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  1. Foreverfishy

    Foreverfishy Purple Spiny Lobster

    Joined:
    Apr 20, 2011
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    471
    Location:
    Erie, PA
    I have a gate valve (half closed) on my Mag 9.5 and was wondering will the back pressure cause any damage to the pump? I have been trying to see in the instructions (and using google) if there was a way to turn down the pump without using the gate valve and to no avail I have not seen/read anything.


    Thanks

    Shrek
     
    Foreverfishy, Jul 15, 2011
    Foreverfishy, Jul 15, 2011
    #1

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  2. dowtish

    dowtish Horrid Stonefish

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    Sounds like you need to trade somebody for the Mag 7
     
    dowtish, Jul 15, 2011
    dowtish, Jul 15, 2011
    #2
  3. DBOSHIBBY

    DBOSHIBBY Sleeper Shark

    Joined:
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    Detroit, MI
    Agree prob downsize the pump. Although a little back pressure on a magdrive pump isn't bad at all from what I've read.
    Why do you have it turned half way down?
     
    DBOSHIBBY, Jul 15, 2011
    DBOSHIBBY, Jul 15, 2011
    #3
  4. insanespain

    insanespain Ocellaris Clown

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    Idk if it damages the pump, but I've restricted my mag too much before and it makes it super loud. I'm not sure of your setup, but if this is a return pump, put a tee and valve in the return line and run it back to the sump. That way some of the water goes to the DT and some just dumps back to the sump, and the pump runs wide open.

    Sent from my Droid using Tapatalk
     
    insanespain, Jul 15, 2011
    insanespain, Jul 15, 2011
    #4
  5. droopymatt

    droopymatt Bristle Worm

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    Newton, KS
    exactly!!!
     
    droopymatt, Jul 15, 2011
    droopymatt, Jul 15, 2011
    #5
  6. Foreverfishy

    Foreverfishy Purple Spiny Lobster

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    Location:
    Erie, PA
    I have to turn it half way down because the pump will drain my sump faster than the intake can place the water in the sump
     
    Foreverfishy, Jul 15, 2011
    Foreverfishy, Jul 15, 2011
    #6

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  7. Foreverfishy

    Foreverfishy Purple Spiny Lobster

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    Erie, PA
    I can try it!
     
    Foreverfishy, Jul 15, 2011
    Foreverfishy, Jul 15, 2011
    #7
  8. djbonney138

    djbonney138 Peppermint Shrimp

    Joined:
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    Location:
    Idaho Falls, Id.
    I thought I had read as long as you have the valve on the exit of the pump a Mag Drive is fine. You do not want to put it on the pump where the water enters.
     
    djbonney138, Jul 15, 2011
    djbonney138, Jul 15, 2011
    #8
  9. vankirk

    vankirk Sea Dragon

    Joined:
    Sep 25, 2009
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    537
    I would do this until you can down size your pump.
     
    vankirk, Jul 15, 2011
    vankirk, Jul 15, 2011
    #9
  10. BoBo65

    BoBo65 Torch Coral

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    Las Vegas,NV
    yeah I would def try and downsize that pump, local reef forum would be a great place to check for potential trades
     
    BoBo65, Jul 15, 2011
    BoBo65, Jul 15, 2011
    #10
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