How does clean potable water arrive in our taps? Well today the children learnt the laborious and often costly process of cleaning water. When they got to make their own water filters out of plastic bottles, sand and cotton wool, they soon realized that this process was insufficient, chemical like chlorine will need to be added to ensure that water is safe enough to drink. Whilst chemical kill the germs that make us sick, they can also have dire consequences for life downstream. The simple answer is, look after our wetlands that purify our water and commit yourself to save every drop. Water is precious and not to be wasted.