Circulation Question?

[Canadian Man]

So I currently have a LG 4mdqx-sc on my 90g (48x24hx18w) plumbed into a closed loop with 4 outlets, 2 on each side. There is about 500-600gph on 2x 1" returns in the center of the tank.
So I have a new wave maker comming from Jack and I am confused what to do with the wave maker. Here are the 2 choices that I have come up with, Please let me know what you think. My tank is almost full on sps.


Option #1. Add 2 MJ1200 powerheads to each side and put the Mj's on the wavemaker to create some variation in currents back and forth as the mj 1200 come on and off at diffrent times. This would give me about 2000 gph (calculated with only 1mj on at a time)

Option#2. Take the closed loop off the tank and add 4 mj1200 to the tank on the wave maker. Maxgph = 1700gph(with all 4 powerhead's on at once, which wont happen often I dont think.Mingph = 1100gph with return and 2 powerheads on at a time.

The Flow in the tank basically now is somewhat random but it definatly meets in the center and flows downward. This results in the two bottom corners of the tank getting linear flow to the left on the left side and same on the right.

Thanks for your opinions.