The Bucket of water (stagnant) is a quest item used during the Rum Deal quest. It is different to an ordinary bucket of water in that it must be filled from a stagnant pond near Braindeath Island Volcano, on Braindeath Island. The stagnant pond is shown with the following symbol:
The bucket of water is then used to make the unsanitary swill that the player needs to continue the quest. Strangely, it looks similar to the hangover cure in the Plague City series.