Save Water 09 - Not such a long time ago, people used to throw a silver coin into the water stock because of the metal's antibacterical and germicidal properties.
Having water was more important than having money...
This carafe reminds you everyday to save water.
The message becomes even more obvious as the level of water goes down and the words become ever more legible.
Finally, the process of oxidation darkens the words slowly and emphasizes the message more each day : SAVE WATER !