I usually use SeaChem matrix (partially because it came with some of my HOB filters), but I am concerned that a bag of media sitting on the bottom of the sump isn't the best solution. . .
I was thinking about Marine Pure bio bricks/plates. . . but $60 seems a bit much. . . what do yall think?
I was thinking about Marine Pure bio bricks/plates. . . but $60 seems a bit much. . . what do yall think?