Plumbing/Overflow Questions

[syncro]

Bulletproofing:

- I figure it is safer to keep the water in the system. Can you run the sump at a lower water level so it can handle any extra water from the display tank? I've also read the beananimal overflow will sometimes use the emergency drain when starting up.

- Another option is an aquarium controller with a water level sensor or 'water on floor' sensor that will shut down the pumps. I'd prefer that to be a backup.

- Check valves might be an option. I've read they often fail so they should be used as a second or third backup.