This poolwater shader is optimized for noisefree caustics, chromatic dispersion effects and submerge volumetrics.

Quickly render pools and lakes, in high quality and physical accurate.

For a swift implementation into your scene, only settings for wave scale, color and density are needed in this intuitive shader group.

       

Update:
It now has an offset parameter for animation. This vector input is already animated with two keyframes in the z component. The animation keeps going due to linear channel extrapolation.