* '''Filling:''' Walk up to a water source as though to drink. Activate your container, then on a water tile right click and select Fill. Your container now contains as much water as it can hold.
*: You can fill it with any other liquids, such as [[lye]] and [[dye]]. It can only contain one type of liquid. If it has e.g. [[quality|QL]]9 lye in it with room for more, you may only add lye on it, and it will mix with the lye already present - that means the QL is averaged. It can be used to mix dye colors (e.g. mix red and white dye to create pink).
* '''Opening / Closing:''' In order to open your jar to see how much it contains click the '+' symbol next to it, the items will appear below the jar and the symbol will become a '-'. In order to close it, click the '-', items within the jar will be hidden and the symbol will become a '+'
* '''Drinking:''' If your Jar contains water, Open your Jar, On the water ''Right click > Drink''. The weight of the water will be reduced and your thirst will be reduced.