Hi Ryan! Thanks for the answer! I have tried different things with the material setup, but like I said, I came to nothing. It is always the same problem, so I suppose there is a problem with something else. And just to make a quick note, I am using water materials from the Water Planes on the Learn tab. Fudge factor to the camera vector?
I am using cube render targets and there are four of them at every direction, check the video here: Stereo Pano Camera Tutorial for UE4 - YouTube