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Top Shelf Aquatics

Combining closed loop and sump return.


reefinnewb

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I am going to be building a new tank and to keep the number of holes down, i would like to combine one of the returns of the closed loop with the sump return. Basically I would splice the sump return into the CL with a Y. This would only be done on the one return. Has anyone ever done this? Can you forsee any problems? I'm pretty sure it will work. I don't have a whole lot of flow coming from the sump return. This will be on a SCWD so the returns will alternate.

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I would keep them seperate. If you loose power the tank will drain to the level of the lowest return. In most cases a closed loop return is low enough to cause a sump to overflow in that situation.

 

You could run the return line over the top of the tank if you want to keep the number of holes down.

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