Originally Posted by CorallineAlgae
The diagram for the sump seems odd. It has the return pump to the left of the refugium separated by a divider. I'm not sure I get how the water in the refugium will circulate and get pumped back into the main tank unless the water level is higher than the dividers. Maybe the height of the dividers is off in the drawing. I've always used much simpler sump setups. I could be getting old. lol hope somebody else chimes in.
haha okay i forgot to say, the sticky that i stole that design off of, had 2 ball valves in the return line and a T for the Fuge, i guess to add water to the Fuge? i dunno, yeah maybe i should make it more simpler lol