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					Originally Posted by  daplatapus
					 
				 
				Is that a correct rough summary? 
 
A couple questions: 
1: What is that sleeve pipe on the right with the little grooves cut off the top that the drain runs out the back of?  
2: Are you looking to have a full siphon system (herbie)? These do tend to be the quietest because there is no air entering the pipes to make any noise. 
			
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 Yes, that right. 
The returns are 1" PVC. The sleeve I have over the one is only for aesthetics. I have plugs on some of my live rock and I use the 4 " PVC sleeve to hang the rock. There isn't one on the left because I kept knocking it off the glue as I couldn't get the weight balanced. 
I want a full Herbie, but with no surface skimming I don't know if that is the best idea. I am looking at figuring out how to fix this plumbing with what I have ( I may change the skimming container no matter what.) and then ordering a custom sump, that will work with this setup anyway.
If I end up having to drain the tank to do any  work on these pipes I will have a problem as all I have left in the house is a 20 gallon quarantine tank. I would then also consider doing it properly with an external overflow, if I could find someone local to cut my glass.