30" Tall Tank

Forfend

New member
I have a tank measuring 27x14x28
Thinking of going with a beananimal overflow with 2 returns.

First off is two even necessary on 30gal? Not sure what I want to have in the tank yet. Eventually nems with some fish maybe coral, not 100%.

Here is what I'm thinking

a6898fed-f791-e76b.jpg


With the returns up top though will that cause circulation issues at the bottom ?
 
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