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Innovative Marine Aquariums

How to combine two tanks for a sump?


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So in the process of a new tank build, and need a sump for it. I have a 5.5 rimless and a 2.5 aga on hand that will be combined somehow to create the sump.


Since the 5.5 is rimless, I thought about using that as the display fuge and having it overflow down to the 2.5 with a 1 inch herbie style overflow. Going to keep it as quiet as possible and this was a good route.


The tank will need to be elevated a bit so water can go down to the 2.5. I am hoping it should be enough to hold back flow from the return.


Not sure if I want to keep it simple with just a hole for the 5.5 herbie or put in baffles and all that yet.

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