http://www.housewaterfiltersystem.com Water filters remove things that are harmful to your health, things that can increase the chance of getting cancer, and things that taste or smell bad. The phyiscs of filters is based on sieving, ion exchanges and other processes. Pur and Brita are two well known brands. Today, whole house water filters are available aswell as portable and refrigerator systems. http://www.housewaterfiltersystem.com/index.php?article=070222-1 A Water Ionizer is an appliance that ionizes water through a method of electrolysis. Major water ionizer manufacturing companies (e.g Jupiter Dong Yang Science) claim that consumption of alkaline water with a lower ORP and higher oxygen content may improve health. There are many nutrition experts th... http://www.housewaterfiltersystem.com/index.php?article=070222-2 In July 2002, Singapore announced that a process named NEWater would be a significant part of its future water plans. It involves using reverse osmosis to treat domestic wastewater before discharging the NEWater back into the reservoirs. In the United States, household drinking water filtration s...