Right now removing water poisoning while being very far from your brig or if your are in a fight it is very annoying and makes you run in order to not die
How it works
When used cleans the character of dirt and also water poisoning has a 2 minute CD
I think that small cooldown will result in the bath in the brig being useless, so it could be changed to being taken from your bathtub in the brig with a one time use, and after you use it, you just take some Dark chests and head to the brig anyway, pick it up and you go back up
To be fair, the brig already has stuff we can get elsewhere like the cooking pot, cauldron and jewelcrafting table, so adding another way to clean yourself other than the bath would make sense.
Also, it could be made a consumable so if you are on your brig you can still use the bath to not use up soaps. Much like how if you’re on an island you’re not gonna go back to your brig just to use a cauldron if the island you are on has one.