flow questions

[mark]

Originally Posted by fishytime

The pump he has now is rated for 500gph at 1' of head.. http://www.lgpc.com/Product/ItemDeta...ProductID=1512 ...at 3' of head he will barely be moving any water

While that's not a pump, (thought he meant 500gph at head).

Mytank, take a look on RC head loss calculator to help select a return pump.