What Configuration For 40gal Breeder Overflow and Return?

[gregzz4]

OK, I'll start the #s input ...
If I remember wrong, someone should correct me

Basically, the amount of total flow needed for a FOWLR or lightly loaded LPS tank is around 10-15 times turnover/hr

An SPS tank needs 15-20 times turnover/hr or more

So, if your return pump is giving you 400g/hr in your 40g, you then need another 200g/hr with powerheads

Now ....

Where are all the answers needed here for the correct return pump flow in this 40g tank ??