will this overflow box work?

[matt_wahoo]

I am setting up a 20L mixed reef tank. Its going to have a 10g sump/fuge. Will a 300gph overflow box work for my tank?

[pete33]

Sure. I have a 30 with sump and am using the eshopps 300. But you're going to supplement flow with a PH.

[matt_wahoo]

thanks I ended up getting the same one