When I use a "flask with snake poison" in the cauldron, at the cobra bastion, does the flask disappears?

Question

As the title says: When I use a "flask with snake poison" in the cauldron, at the cobra bastion, does the flask disappears?

Answer 1

It does not, it just goes empty.

Although it does not disappear, it is a good idea to bring several filled flasks, so you don't need to stop your hunt to go and refill it back. As it is necessary to 'active' the cauldron every 30 minutes, I would bring 4 flasks.

Answer 2

Hi Fire!

Once you use the Flask with a Snake Poison on the Cauldron it will not disappear. I'm not at pc now, but when I be back I will take the pics.