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  1. johnnyg87

    Need help with my pump and overflow box..

    Thanks for the welcoming. Yes i'm using 1/2" tubing . i want to use pvc but i want to figure how to get my flow going good.. it has a ball valve on it now, and i have to keep it to where its just barely opened(super weak flow), or it will empty my sump . i want it fully opened to get a good flow..
  2. johnnyg87

    Need help with my pump and overflow box..

    Hello, i have 125 gallon tank 72x18x24H. My overflow box is a eshopps pf-800, which is rated at 800 gph. My pump is a Rio 3100 powerhead, and at 2' it is rated at 782gph. My sump is 24x12x17H . I only have one 1/2" rubber tube from my pump to the tank. The problem i'm having is that when i...
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