Why Should You Change Your Refrigerator Water Filter Every Six Months?
The life of refrigerator water filters is dependent upon the volume of contaminants in the water as well as the amount of use of the filter. Well water is more likely to contain contaminants not found in publicly treated water and may need more frequent filter changes. As a rule of thumb, the filter should be changed as specified by the manufacturer or at least every six months.
Carbon is the primary substance used in water filtration methods because carbon has the potential to absorb many of the chemicals found in water. Most refrigerator water filters, which meet NSF/ANSI 42 certification standards, use granular activated carbon (GAC) to attract chemicals and impurities responsible for bad taste and odor, such as those that are a by-product of chlorine. These filters are not capable, however, to rid water of more dangerous, health-threatening contaminants. The method by which water is channeled through GAC filters does not allow sufficient time to complete the absorption of such substances. Various bacteria are formed, trapped and allowed to multiply, which further contaminates water...
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