Sump Model F

left: Intake section    center: Return Zone     right: Refugium


Normal water level when sump is installed.


Top View: Teeth divide Refugium from the Return Zone.


Freshwater flowing through teeth. Saltwater's density reduces this event.



Total Sump 48" x 15" x 16"
Intake & Refugium 12" x 15" x 10"
Return Zone 22" x 15" x 9"
Total Volume - 46 gallons
Operational Volume - 28 gallons






left: 1" bubble trap to defeat microbubbles


Once it arrived, the proud owner sent me a few pictures.


That is an Aqua C Ev-180 in the skimmer section. (Cat not included!)


The sump was installed from the back of the stand. The center brace was removed to fit it in.


Sump in stand, electrical panel to the right. An acrylic divider was installed to prevent splashing that section.


Above is the sump in action during a freshwater test run. The refugium is on the right.
The markings indicate how many gallons of water filled the center section.

Other Diy Sump Projects Information

Need more answers?

Check these related articles