How Far Above Sand for CL Returns?

iNsiNuASiAn

New member
Hello all,
I am planning my 225 flow set up and was thinking of going with the 4-Way OEM with Sequence Dart. 2-2" in w/ 4-1" returns.

My question is, how far above my planned 2-3" sand bed should I drill the tank for the returns on the rear wall of the tank? I would prefer not to have the sand bed disturbed greatly while still being able to keep debri from accumulating behind my LR.

Is there a better setup then the route I am thinking of going? (while still maintaining a CL w/o pumps)

Thanks,
~Dj
 
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