- Joined
- Dec 21, 2019
- Messages
- 35
- Reaction score
- 16
I have a 425xl and planning to start a refugium. The place for refugium will be just after filter socks and before the skimmer.After the skimmer the water flows to the return chamber via sponge. My question: How will the pods enter the tank if there is a sponge on the way?