Water circulation

[Emelinda76]

I have 220 gallon SW tank which has two over flows...2 water outlets with 2 Rio 2100 water pumps. BUT

I feel like there isnt enough water flow going to the corners? What can I do ? The overflow boxes are on the extremes of the tank which is 6 feet wide

 

[bavass]

I had the same problem with my 55g and I added 2 Hydor Koralia's I can't imagine that 2 Rio 2100 is enough for a 22og tank. I have 3 Hydors pumping 680gph each.