Physical Water Surface - Quick Tips #1: Improving an existing Water Material
It is possible (and actually a very good idea) to apply the realistic water motion of Physical Water Surface to an existing water material. This is a quick and easy way to significantly improve the look of a water surface in existing projects without starting over from scratch.
This tutorial explains in detail how to combine an existing water shader with the water motion from Physical Water Surface. The results speak for themselves:
watch?v=n9TFqB5waZA