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  1. #1
    Mayor

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    GPH on Internal Overflow??

    Question?
    Does anyone have any Idea how many GPH an internal overflow does? The bulk head is 1 inch as is the stand pipe. The reurn is 3/4 inch. The tank is a factory drilled All Glass Aqurium.

    Thanks
    MROK12

  2. #2
    Governor
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    All-Glass says that a overflow has a max of 620 gph.
    I had emailed them this queston a few weeks ago and that is what they said.


 

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