working on building a sump for my 125 the tank is all glass 48 inches long going to have 17 inches for the refuge 12 1/2 inches for skimmer ect and 21 inches for the pump area i just dont get the the baffle in it how tall and i see alot with 3 baffle after the skimmer section but how high is the baffles thanks for any help pics will help greatly jeremy