actually no, the blob is just fine, I am talking about the white plane that can be seen around the reflecting figure!
I have tried to do this, but in the end I don't get nice colors and it easily gets burned, so I used a vray light mat to just make it brighter and it works great for me, just that then, I get this white plane reflection in the water and I don't know how to get rid of it.
here is the material that I am using.