sjm817 On Yer left! Premium Member Aug 4, 2006 #21 You want 3 -5x display volume for return flow, which is ~ 200 - 325 GPH. I'd use an Eheim 1250. You probably want to use just 1 of the U Tubes in the LR to keep velocity good through it.
You want 3 -5x display volume for return flow, which is ~ 200 - 325 GPH. I'd use an Eheim 1250. You probably want to use just 1 of the U Tubes in the LR to keep velocity good through it.
