I have a beer setup in my blender scene. It's a basic glass shader for the glass containing a fluid mesh with a glass + volume absorption material with a tint.
I don't understand why the fluid is rendering completely black. Here's a render.
It's supposed to look more like this (froth and bubbles aside):
Here's the fluid node setup:
Here's the glass node setup:
I don't know what's going wrong. I've tried a couple of things.
Thanks for your help in advance. Please let me know if you need more information.