Big enough pump?

[fishytime]

Originally Posted by Aquattro

I use this pump on my frag tank with a single 1" drain. I just use a valve on the output of the pump to scale back the flow a bit. So if the OP had a 1" or greater drain, the pump should be workable.

very true....I just thought perhaps being that the display is 40g and not knowing what the original return pump is, there is a slight chance that the drain could be 3/4.....either way, knowing what the tank is capable of draining is the first step to choosing what return pump to use....