Well, let fill you in on the entire situation. Here's how the tanks will be configured:
The 800 and 240 are 12' apart from each other, and the 265 is 7' leaving 30" in between. Not to mention the the 800 and 240 are in two seperate rooms:
800
And here's where the 240 is, on the opposite side:
The 240 would have to be lowered to the same hieght as the 800 in order for this to work.
I've done water bridges experiments in preparation for this, so the logistics of it arn't a problem. I'd just like to know about the clear pvc specificly