Addon Realistic Rain with RGM v1.0 ETS2
Optional addon if you use Realistic Rain with Realistic Graphics Mod by Frkn64
This small addon contains the necessary parameters for a better view of the rain and the water particles/spray when using Realistic Rain with RGM by Frkn64
Put this add-on above/on top (in priority) of RR and RGM mod, see screenshot for load order priority.