Who Gives A Fish Forums

I've been checking out the VorTech calculator for my 280g tank and I noticed that a single MP40 and MP60 would produce too much flow for LPS corals - over 5900 g/hr. On the other hand, it's not enough for SPS, which require at least 9800 g/hr.

To get the right flow for LPS, I'd need to run two ...