New 75 gallon overflow

Discussion in 'Filters, Pumps, etc..' started by arentspowell, Jan 2, 2011.

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  1. arentspowell

    arentspowell Skunk Shrimp

    Joined:
    Feb 17, 2010
    Messages:
    297
    Location:
    Florida
    I just got a new 75 gallon RR tank, built the stand, and canopy, put my lighting, everything I need to do. However I built the durso standpipe and I drilled the hole so some air get in, but it makes large bubbles in my sump every 3 second or so. The overflow isn't doing the flushing thing where it drains and fills up, it is staying constant. What could it be?