Minecraft Version

1.16.4

Forge Version

35.1.3

Mod Version

1.16.4-2.7.0-83

Describe your problem, including steps to reproduce it

None of the custom liquids provided by this mod seem to have any collisions.

Not a PNC problem, but a fundamental limitation of modded fluids in anything later than 1.12. Won't be fixed until the necessary support is in Forge.