Obviously this is done alot. I have just rigged two pumps up today to one tank.
I have the elbow coming out of the tank, then a cut of valve in case of emergencies then it goes into a y piece and onto both pump.
Just wondered if there would ever be any difference in water flow running two pumps from one tank opposed to just the one.
Or id there still plenty of flow available for both pumps.
Using 1/2" hose, but obviously the y piece and elbow are thinner.