Volume Material

Hi :slight_smile:

I’ve been trying to create this glass tube, filled up with a volume, containing an alien inside.
The glass of the outside tube works fine but I can’t seem to get the liquid inside the tube to work.
I made a very simple green material for the liquid and I set the material domain to “volume”.
Now I’m getting this cube around my tubes which I can’t explain. Is there any way to fix this and just make the liquid material apply to the actual cilinder instead of creating a cube around the tube?
Or is there an easier way to make a liquid inside the tube?

Thanks in advance,

Scott V