I would continue to use the 2x.75" lines in each overflow as a return from sump to the tank (pressure side of the pump). If I add an additional wet to each one then it becomes a Bean. Another option is two seperate herbies, or one herbie one closed loop. Do not join any of the drains together, ever. In a Bean Animal drain setup, 99 of the flow should be going down your main siphon, only a trickle down the secondary and nothing flowing down the emergency. You need to tie the two lines together using a larger pipe diameter in order to balance the two overflows. There is no Durso drain technically in a Bean Animal, a Durso drain is its own type of drain setup. I say it that way because the eurobracing hangs over about half the overflow and doesnt allow me to set-up the bean exactly the way it was designed with all reverse Us. Technically this is more a herbie than bean. That gave me the ability to do a Bean animal of sorts. My thought was I would use the existing 1.5" drains for emergency overflows and add the full siphon drains (1", 1.25" or 1.5") to each overflow. Only tie two together, the durso pipe and/or emergency isnt tied into the siphon. But to do that I need to have an emergency drain. So I decided I wanted to rework everything and go to full siphon drains. When I did my initial plumbing and leak test I could get the durso's quiet but the drains in the sump where very noisy & full of bubbles (which will cause salt creep). 75" returns are up close to the front of trapezoid close to where the sides meet it. The 1.5" drain is about dead center in the trapezoid and the 2x. The overflows are shaped like an Isosceles Trapezoid with the long side being part of the back wall of the aquarium. Each overflow has a 1.5" durso drain and 2 x. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright.
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