i want to set up my sump but i need guidance, im debating what size tank to get (its going to be under my DT) it will be housing my skimmer (Aquamedic t-1000) going to put the heater in there some live rock and all that fun stuff, so a refugium, skimmer section return, all that good stuff, im not too confused on setting that up, only thing im confused is on the return an feed's do i get a simple over flow that has the part that goes in the tank then siphons into the outside part then down the bulkhead into the sump or do i get the u tube over flow, and how do i know how big of a pump to get, if i get a 800gph over flow do i get a 800gph pump? someone please give me some advice, also im gettin my cleanup crew tuesday im excited, i got a ton of algea growth, ive cut down my lights to a 7 hour cycle, also going to be getting my RO/DI soon so that should help with the water quality big time! ive got the white dots on my glass, im pretty certain its from my snails but how can i be sure, they tiny hard white dots.....ok i know that is a lot of info in one post but i would extremly appreciate any help...