Thanks for all the replies everyone, The Durso will be changes to 1.5 all the way straight down to the sump. I did manage to find the flow calculator on reef central also and it recomended 1.43. I am cutting it close but I think with 5 feet of head and going through a SCWD (I have read they restrict flow somewhat) it should work just fine. Now I just need some sand for my DSB. Thanks again everyone for your time and insight.
Rock 'n' Flow
Kelly
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