Description of the issue:

Flowing Fluid Textures don't show up and only a flat color/texture shows up instead.
Fluids that seem like they would have transparency arent see-through, which on some fluids makes the textures look off.

Only concrete seems to be okayish (Far right)

Closeup of biodiesel as an example

Versions & Modlist

IE: 1.16.3-4.0.1-121
Forge: 1.16.3-34.0.7
With IP. (Dev-Env)

Fluids with a texture that has no alpha seem to be unaffected.
Concrete fluid for example looks fine.

Just like the Oil from IP, so there is that.

Fixed in 864f567