well the problem is related about water reflections... see what happens:

as you can see the reflections are ok and beautiful
now lets see with more detail the freaking beautiful water...
(go more near)

WTF!!! a retard ugly fog fraked the water and now look horrible

that error only appears near that place, no leaks, compiled with full vis and rad + HDR
i don't know if the reason of that error is this water touching the skybox... see this:

as you can see, theres ugly water near sky solid...
if someone knows wtf happens please, tell me how to fix that retard bug

thanks for help and here a WIP pic

