- Joined
- Mar 19, 2020
- Messages
- 855
- Reaction score
- 612
Hey now. I have a huge return chamber. It’s 12”x7”. Can I turn 3/4 of that into a refugium and be all good. I only ask because I never see a return pump in with a refugium...I wouldn’t use sand but rock rubble and macro algae are obvious.

