not enough overflow

Discussion in 'Filters, Pumps, etc..' started by DBOSHIBBY, Sep 16, 2009.

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  1. jossmalo

    jossmalo Spanish Shawl Nudibranch

    Joined:
    Aug 21, 2009
    Messages:
    85
    Location:
    Muskego, Wisconsin
    I have read somewhere that it is bad to put a valve on the return pump, is this true?

    I have a valve on my HOB overflow to control that flow around my pump, which works very nice.
     
    jossmalo, Sep 16, 2009
    jossmalo, Sep 16, 2009
    #11

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  2. iLLwiLL

    iLLwiLL Sailfin Tang

    Joined:
    May 6, 2009
    Messages:
    1,715
    Location:
    Central FL
    Its better to have a valve on the return than the drain. If something like a snail or a fish wants a ride to the sump and goes down the drain only to get blocked by a half open ball or gate valve it could lead to a flooded DT and a dried up return pump if not caught soon enough.

    ~Will.
     
    iLLwiLL, Sep 16, 2009
    iLLwiLL, Sep 16, 2009
    #12
  3. DBOSHIBBY

    DBOSHIBBY Sleeper Shark

    Joined:
    Jul 27, 2009
    Messages:
    2,557
    Location:
    Detroit, MI
    ya i actually have 2 on my return line. one is inline with the pump to control speed of the pump and the other is on a t fitting thats hooked up to a hose. when i want to do a water change i just shut the one valve thats inline and open the one on the hose. pumps the water out for me!
     
    DBOSHIBBY, Sep 16, 2009
    DBOSHIBBY, Sep 16, 2009
    #13
  4. szrazzt

    szrazzt Purple Spiny Lobster

    Joined:
    Nov 28, 2008
    Messages:
    475
    You can also get more flow out of the overflow by lowering the standpipe.
     
    szrazzt, Sep 16, 2009
    szrazzt, Sep 16, 2009
    #14
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