Step 2: Understanding Water Filtration and Treatment Technologies
Here you’ll find explanations of several common water filtration and treatment technology options available to homeowners. We’ve included some of the maintenance, energy use, and water output issues that may be associated with each system, as well as the specific water problems they are best designed to solve.
No single method is effective for treating all possible water contaminants. Depending on your needs, a combination of methods is usually applied to treat your specific problem. You should also be aware when selecting a water filtration/treatment system that different levels of performance exist between different products using each method.
If you have specific health concerns, be certain that whatever product you choose has been tested for the successful reduction of that particular contaminant. As a general rule, look for filters certified as meeting the NSF/ANSI Standard applicable to removing the contaminant(s) of concern in your water. NSF’s certification program is one of the best means available today for consumers to gain some assurance that manufacturer’s claims have been verified. NSF-certified filters have been independently tested to show that they can reduce levels of certain contaminants under specified conditions. For example: Those that meet NSF Standard 53 are geared toward treating water for health, not just for aesthetic qualities as per NSF Standard 42.
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