This tutorial is to show you how to use the AQUAS Quick Setup feature, to quickly set up full featured water with underwater effects for your scene. The second part of the video shows how to set up multiple water planes.
Asset Store link:
https://www.assetstore.unity3d.com/en/#!/content/52103
Support Forum:
http://forum.unity3d.com/threads/updated-v1-2-aquas-water-set-low-cost-water-for-mobile-web-desktop.378519/