What kind of head do i really need for good performance? I guess motor torque comes into it quite significantly - im assuming under restriction the pumps output can drop pretty hugely and the quality of the pump here is where it comes into play. Ive asked at the place i found the other pump if they can source me a hydor L20 or L30, I should find out within a few days, I hope. I'm wanting to be cheap, but not at the expense of too much performance or reliablity - I dont mind another couple of degrees under load, but I dont want the pump to fail too prematurely.
I guess its a risk i have to take with a cheap pump tho
