Advise please

[bluewateruk]

four metre long tank x 1016 deep and 830 high
do I need a masterstream or will four 6255 wide flow 2 each end
thanksD

 

[rvitko]

You could do either 2 6508 and the flow would be much stronger, ideal for SPS, or 4 6255, this would be better for a mixed reef tank.