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Understanding that you need a home water purifier is a good first step. Now, you need to learn how to identify an effective home purifier water system. There are numerous products on the market, but some of them are not really worthwhile investments. A home water purifier can cost as little as $40 and as much as $800. You can actually mark the very cheap, as well as the very expensive, off of your shopping list. The most expensive brands include a reverse osmosis or RO step. At one time RO was the best home purifier water system on the market, but technology has moved on. We also know a lot more about the contaminants that are in our supplies than we did when RO was developed. Then, we thought more about pollutants we could see. Now, we think more about the invisible and microscopic chemicals that build up in our systems destroying our long term health and longevity. The least expensive home purifier water system is made by Brita, a branch of the Clorox Bleach Company. They know how to remove chlorine, using granular activated carbon. They've used it for years to protect their factory workers from the harmful vapors that they are exposed to every day. Chlorine gas is toxic to the nervous system. It irritates the eyes, the skin and the lungs. In the home, the chemical becomes gaseous during a shower, when boiling or running very hot water. Inhalation of the vapors triggers asthma attacks and can cause chronic sinus problems. Showering in chlorinated waters strips the hair and skin of its natural oils. I could go on, but suffice to say that a home water purifier should remove chlorine. But, it should remove other things, as well. When chlorine reacts with biological material, like bacteria or algae, compounds referred to as trihalomethanes are released. Trihalomethanes or THMs are a chemical compounds made up of methane, halogen and other chemicals. The group includes the chemicals Freon and chloroform. Most of them are considered carcinogenic, in other words, they cause cancer. Researchers have shown that exposure to THM levels commonly found in chlorinated waters increases the individual risk of colorectal and bladder cancer by about 40%, the longer the exposure and the more sources of exposure, the greater the risk. The Brita home purifier water system does nothing to remove THMs, neither does PUR, Ever-Pure or Clean & Pure. You can get a home water purifier for the kitchen counter that removes them for around $125, but remember that exposure also occurs in the shower. So, a showerhead filter is recommended. A home purifier water system should also remove cysts and lead. The best choice is a multi-stage selective filtration device that includes a submicron particle filter to remove cysts, ion exchange to remove lead, granular carbon to remove chlorine and an adsorptive block to remove THMs.
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