return plumbing-how much gph-what pump?

rs2208 · 01-22-2003, 02:08 PM

A few questions. Which pump would you run in my situation? Amp Master 3000, 2700, 2100, or other. How many gph should I have flowing from sump to tank and back? Sump is a 50 gal rubbermaid tub. Tank is a Oceanic 120 RR with dual overflows, each with with a 1" drain. How much head pressure will this set up give me? Ball valves, check valves, and unions are not illustrated in the diagram.

DuncanReefer · 01-22-2003, 02:18 PM

The rule of thumb is usually about 10X the tank. I have a 90 gal and I have a mag 12 return(1200 gph) with a sray bar down the back and side. With you splitting the returns to the tank like that you are going to have to have a more powerful pump. I am not familiar with those pumps but I would probably use a pump with a rating of 1800 gph or so. It is always better to over do it with the pump b/c you can always us a ball valve to restrict water flow.

Just my 2 cents

Kevin