Let's settle this once and for all. Which wave maker orientation creates the best flow pattern in rectangles?

[rennjidk]

Of course other factors such as rock placement and tank size come into play, but I've seen these 3 specific orientations recommended time and time again for a dual wave maker setup. I think a lot of us have or have had this exact same style of flow creation over the years. Which do you think creates the best patterns in a reef tank? Cast your vote.

a)

b)

c)

 

[rennjidk]

For bonus points, what is your preferred sync settings? Sync'd, anti-sync, or that half step that most wave makers have nowadays where they fire at overlapping but staggered times?