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Discussion in 'Filters, Pumps, etc..' started by Hurley1536, Mar 30, 2010.

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  1. Hurley1536

    Hurley1536 Spanish Shawl Nudibranch

    Joined:
    Mar 5, 2010
    Messages:
    88
    Location:
    Virginia Beach, VA
    Every once in awhile I get a tiny spray of micro bubbles in my DT. I have a supreme mag 7 pump. What could be causing this? If I had micro bubbles in my sump they would be a steadily spraying in my DT so why is this only in spurts every 20 seconds or so?
     
    Hurley1536, Mar 30, 2010
    Hurley1536, Mar 30, 2010
    #1

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  2. blackraven1425

    blackraven1425 Giant Squid

    Joined:
    Mar 1, 2010
    Messages:
    4,780
    If a big bubble got into your pump's intake every once in a while, that would explain it.
     
    blackraven1425, Mar 30, 2010
    blackraven1425, Mar 30, 2010
    #2
  3. NUGIO

    NUGIO Corkscrew Tentacle Anemone

    Joined:
    Dec 5, 2003
    Messages:
    734
    Location:
    MO VAL, CA
    could the level in your sump be low enough to cause the pump to create a vortex thus sucking in air? mine does it when the sump is low
     
    NUGIO, Mar 30, 2010
    NUGIO, Mar 30, 2010
    #3
  4. NASAGeek

    NASAGeek Eyelash Blennie

    Joined:
    Nov 16, 2009
    Messages:
    1,253
    Location:
    Houston, TX
    Sounds like an accumulation issue within the pump. It sucks in an infintesible amount of air which accumulates inside until the bubble gets big enough and it get blown apart into microbubbles in flow and it comes out in a burst.

    I'd look very closely at your pump to see if any bubbles are reaching the intake.... Very closely.

    M
     
    NASAGeek, Mar 30, 2010
    NASAGeek, Mar 30, 2010
    #4