I think its working right but still having a surging issue.
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we are still trying to tackle this issue. I decided to unhook the hose from the bulkhead going into the sump and directly set it into the sump to completely eliminate any type of rise. This video is with the durso installed. The water level completely covers the elbow of the durso but that still does not resolve this issue. Even when the durso is taken out and its just straight water going into the overflow it still surges. My pump is sending 950gph if that makes a difference. Maybe I have a jinxed tank