Darth Sadifous suggested making the fluid red when first discussing this idea, and as soon as I tried it I liked it. It brings color contrast to the scene, it feels a little more Palpatine to me, and I found the green vats a bit cliche. I could try the green, though, if that’s what people prefer!
Great job! This was what I had in mind and the updates since then are even better. The red bacta was also originally intended in TESB and matches adywan’s fan edit when he reinstated the original color. It really came out well; you are an editing god!