Empty containers back into a vessel/tank (e.g. to allow blending two different packaged products to make a new beer)

Yes, you’re right that this isn’t currently possible.

I’m going to merge the two related threads here as that will combine the votes and I feel that putting containers back into a vessel is the right way forward here for both requests.

If anyone else is looking for this, please give it a vote now with the button in the top-left.