https://player.vimeo.com/video/751747381?h=74d93b7b20&badge=0&autopause=0&player_id=0&app_id=58479
Simply right-click on your chosen emitter(s) in the Object Properties window and select the Extensions folder.
The nxFluids tag is available from the INSYDIUM Tags menu.

nxFluids tag selection.
This will give you three separate tabs: Basic tab, SPH tab and PBD tab.

Basic tab menu.
By using nxFluids tags, each emitter can have its own unique physical properties, ranging from different Density, Viscosity, Surface Tension and Friction settings.
![nexus_nxfluids-tags_010[SPH-UI].png](https://s3-us-west-2.amazonaws.com/secure.notion-static.com/cd27b687-5394-4a5e-a9d7-3f1a343ad2c8/nexus_nxfluids-tags_010SPH-UI.png)
SPH tab menu.