How to use:

1. In your scene: File -> Append (shift+F1) -> Select “fluid_shader.blend”->

2. 
   

   1. Material -> (select material) to import already setup material;

   2. NodeTree - to import only material node, if you want add it in your Material. After that you can add node: Node Editor -> Add -> Group -> imported node name;

3. Assign material to object & tweak it, if need.

To conrtoll of Global scaling of material, use node Mapping (Add -> Vector -> Mapping)

IMPORTANT!    To see nice reflections, you should have, what to reflect. Use environment map for sweet results!

Update v1.1

To switch between Cycles & Eevee*, only need to:

1. In Eevee render tab: turn on "Screen Space Reflections"
2. In sub-settings turn on Refractions

* materials already have the necessary Eevee settings