Working in the salvage business and seeing actual water flow from all the different pumps.....
Taint nothun like a trash pump.....
That said, 4 well installed (wiring, lift, discharge run, etc) 3000 gph electric pumps are pretty impressive too.
The problem is most installed electric pumps rarely meet their potential capacity.
While pumps may provide more time to execute damage control..... the goal in any sinking is to reduce flooding to below pump capacity. Stopping the flow isnt necessary.
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