Ok so after lots of great input from many people here is what ive come up with for the final design:
The Tank:
1.5" return from sump, splits at the TEE into 1" to go into the top of the tank. 2 elbows direct the water toward the base to start the rotation of the water.
3/4" closed loop system utilising a 2 way Oceans Motion. It draws water from just under the overflow, through the OM and then directs the water acorss the sand bed from back to front to keep detritus from settling on the bed and send it up towards the overflow.
Herbie style overflow
The Sump:
Central return with skimmer section and fuge on either side. Drains placed side by side for more room for a skimmer and addition of a filter sock.
Return manifold feeding frag tank with expansion for future additions.
Let me know what you think!!
VR
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