: A typical "reef" sump should circulate the entire aquarium volume 3 to 5 times per hour. 4. Smart Monitoring Raspi-Sump | Linux Journal

: Adds more total water to the system, making it more chemically stable.

For aquarium enthusiasts, a sump is a separate tank located below the main display. It serves several purposes:

In homes, a sump pit is typically installed in the lowest part of a basement or crawlspace to collect groundwater. When the water reaches a certain level, a activates to push the liquid out and away from the foundation through a discharge pipe.

: The two primary designs are submersible (motor sits underwater) and pedestal (motor sits above the waterline).

In vehicles, the sump (often called the oil pan) is the reservoir at the bottom of the engine where motor oil pools.

: To keep a system reliable, it is recommended to test the pump every few months by pouring water into the basin and cleaning the intake screen to prevent clogs.