Below are the material settings used to accurately shade the glass and water.

Standard Surface: Glass

Set the base_weight to 0 and increase the specular_weight to 1. Change the IOR to that of glass (1.5). Increase the transmission_weight to 1.

Transmission

Lowering the transmission_weight value attenuates the amount of light that passes through the volume of the glass (distance-based coloring). By default, transmission_color is white, which means no distance-based tint. Try lowering it from full white.

Transmission Color: Gray	Transmission Color: White

Standard Surface: Water

Repeat the settings used for the glass material. However, make sure that the Index of Refraction is set to that of water 1.33.

Standard Surface: Milky liquid

To create a milky liquid, it helps to add small amounts of sub-surface scattering. Additionally, to make the liquid appear more vibrant, you could experiment by adding a small amount of emission_weight to it.

SSS Weight: 0.1	SSS Weight: 0.1. Emission 0.1