Quote Originally Posted by Shu View Post
Ok I currently have an iwaki return that pumps about 950 gph. In my 90gallon tank. I also have a korelia evo at 1400gph and and K1 at 400gph.

I am looking at getting a vortech mp20. Will this be enough or should I get a mp40. Don't really have the funds for an mp40 would have to save, but your suggestions are great.

I'd tell you (not sure about the amount of flow, I've definitely got too much myself to offer much advice) that if you are even remotely interested in the mp40... i'd hold off and save for that rather than get the 20 and decide that it just isn't enough.