So I am considering adding more flow to my 180g SSB reeftank and I was curious about which route you all thought would be my best option. As of right now, I have 2 koralia 4's (1200gph each), and 2 returns (300ish each)....so roughly 3000gph total. The two options I am thinking of are either...

I just ordered 4 SunSun powerheads from China after researching into them to make sure they worked for other people. Anyone have experience with them? I bought 4 dual head powerheads for $145 shipped. Two of them with 3100 GPH and one of them with 1550 GPH, both split between 2 heads. I'll let...