Ok, Cieprus, I'm glad we cleared that up!
I have another tip for you:
Make sure that you clamp all your hoses very tightly.
Here's why: Many people use an aquarium type pump (like an Eheim or Rio) and these match the requirements that I listed earlier. What I didn't mention is that the drawback to those pumps is that they are not very efficient. (That's why Cyco-Dude is impressed with your choice). If you got an Eheim 1250, rated at 317 gph, you'd also notice in the specs that the 1250 CANNOT flow water 40 feet up.
Using an Eheim 1250, the actual flow rate would be more along the lines of 100 gph (because of its low efficiency).
The pump you have will be more efficient, and I suspect that you may be able to achieve an actual flow rate somewhere between 150 and 200 gph. That's good if you want a high flow rate, but bad because it'll put a lot of pressure in your system such that a leak may spring much easier.
(this is one of those good-bad things. Your choice of pump is still very commendable)
You might have another advantage in that your pump may not put a lot of heat in the water, but I can't say for sure.
Overall, I think you're on the right track. I just hope you can put up with the noise, or find a good workaround.
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