Do you have quick reactions?! Try this cache and find out.
You will need an empty standard 2L plastic bottle.
Please be considerate when finding this cache, and do not attempt it between 10.30pm and 7am!
To retrieve the cache, remove the lid, attach the bottle to the end of the hose, and stamp on the bottle.
You do not need to pour anything into the top of the tube!
Please replace everything as found.