Thanks for the comments and the link for pipe sizing chart...
Return will be handle via ehiem 1260 which is 635 GPH at 0'head and ~410 GPH at 4' head. So 1.5 drain at 1350 GPH max gravitional flow should be enough to handle a double Ehiem 1260 return setup sufficiently. Unless blocked at...
Helping a friend setup a new 180. It has a 1.5 drain and 2x 3/4 return. We want to set a overflow with fail safe for drainage. Is there any down side to T'ing the drain and installing a durso and an open stand for emergency? Noise?
Interesting...but LOL did you see Demo Test picture. It works, but its pretty dim to me. Doubt it would perform anywhere close, it is using 63W compared to Kessil's 90W Plus Kessil has such great customer support.
Thanks! But it could have been worse, so I am thankful the casualty was not worse. Its just so weird, how the least expected things happen when you are away....