- Joined
- May 27, 2016
- Messages
- 195
- Reaction score
- 74
I think I need more flow. I have a jebao dct 4000 for return and a jebao rw4 and koralia 425. I want to grow sps. Do I need controllable pumps or will regular ac pumps work was thinking of getting a couple of koralia 3rd generation 1350.

