Duckhams' 75G Reef Build - Eurobraced/BeanAnimal

[Duckhams]

Originally Posted by Bugger

I'd cut holes into the sump and run that pump external.

As the system is running in my office, I ran the return pump in-sump to reduce the chances of water reaching my floor. It's an extremely quiet pump, so it's perfect as an in-sump return.
That being said, I've run several external pumps on other systems and never had an issue, but better safe than sorry.