| http://www.w3.org/ns/prov#value | - An effective water filter system should be able to remove heavy metals, fluoride, chlorine, and even DBPs.Another reason why you should test your water is that municipalities only test for chemicals, pesticides, and other contaminants in their water every three years, or depending on their special permit.Some waterborne side effects are not immediate, but when they strike, they turn out to be seri
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