While we are fortunate enough in Australia to not be faced with such a clean drinking water crisis, bacteria such as Cryptosporidium and Giardia effect the health of Australians everyday. An effective way to remove such bacteria and Cryptosporidium is by using a water filter with pore size smaller than 1 micron.
Cryptosporidium and Giardia are a hard shelled bacteria that are resistant to chlorine and are one of the most common causes of the flu. They enter your body through tap water or other unsavoury drinking water, then in the warmth of you stomach they hatch and get to work. In case your wondering, yes all Phoenix Water Filters remove 99.99% both Cryptosporidium and Giardia.