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Fresh water is essential to our health and comfort. Not only do we rely on it to stay hydrated Wholesale Le'Veon Bell Jersey , we use it in many other ways including bathing, cleaning and cooking food, and laundering our clothes. Fresh water has long been a concern of both public communities and private individuals, and several different water purification systems and treatment technologies have been developed to help ensure that tap water is safe for human consumption. But how do these different technologies compare?


Whether you get your water from a well or a city system Wholesale Antonio Brown Jersey , water sources can become contaminated by bacteria, runoff, and improper treatment. Even if water isn't contaminated, it may contain iron and other hard minerals that cause discoloration and can build up in the body Wholesale Mason Rudolph Jersey , or chlorine that leaves an unpleasant odor and taste. Consequently, many people choose to treat or filter their water to improve flavor and protect against contaminants.


Chlorine is commonly used by municipal water treatment plants and is effective in killing many different bacteria. However, it is not effective against some organisms such as Cryposporidium and Giardia. Both of these organisms can be found in lakes, rivers Wholesale James Washington Jersey , and ground water and can cause serious intestinal illness.


As mentioned, many people feel that chlorine leaves an unpleasant taste and smell. In addition, there have been numerous cases where the city water supply became contaminated despite the fact that it was treated. People with city water supplies often use other water purifiers and home water filters to ensure that their water is pure and tastes good. The three most common options are carbon filters, reverse osmosis water filters Wholesale Chukwuma Okorafor Jersey , and ultraviolet light water purification.


Each of these technologies uses a different approach to treat water, and they each have different levels of effectiveness against various contaminants. One may work well to remove chemicals but be completely ineffective against bacteria, and vice versa.


In reality, there is no single filter or treatment that will eliminate every contaminant from your water. The best approach is to have your water tested for contaminants and then purchase a home water purifier that guards against the particular contaminants that cause you concern.


Another option is to combine treatment technologies. Most higher-end systems use a combination of carbon filters and one of the other treatment technologies to achieve the best results. Let's look at the different technologies to see where each is effective.


Carbon Filters


Carbon is one of the most powerful absorbents available and it has been used for many years as a means of removing impurities. The absorbing powers of carbon can be further enhanced by adding a slightly positive electrical charge. This is known as activated carbon Wholesale Terrell Edmunds Jersey , and it is used in many standard home water filters. As the water passes over the positively charged carbon, the negative ions of the contaminants are drawn to the surface of the carbon granules and removed from the water.


Activated carbon filters typically use granular activated carbon (GAC) or powdered block carbon. Both work well for filtering and purifying but carbon block filters have been shown to remove more contaminants. Either type of activated carbon filters help reduce or remove a wide variety of contaminants, including:


? volatile organic chemicals (VOCs) ? pesticides and herbicides ? chlorine, radon Wholesale Zach Gentry Jersey , and other chemicals often found in tap water.


All of this protection comes in a relatively inexpensive package. You can purchase carbon filter systems that fit on your faucet for about $30, or you can choose a whole house water purification system that utilizes carbon filter technology for around $100.


However, unless they are densely compacted, most carbon block filters are not effective at removing heavy metals or bacteria. For this reason Wholesale Benny Snell Jr. Jersey , many people consider combining carbon filters with one of the other types of water purification systems.


Reverse Osmosis Water Filters


Reverse osmosis, also known as hyperfiltration or ultra-filtration, was developed with U.S. government funding as a means of desalinating ocean water. A reverse osmosis water purifier uses a semi-permeable membrane that allows pure water to pass through it, while contaminants are trapped by the tiny pores in the membrane.


The process requires that the water be pressurized to help force it through the membrane. Most standard residential water systems have sufficient pressure. Like activated carbon filters Wholesale Justin Layne Jersey , reverse osmosis also uses charged particles to help filter out impurities.


The effectiveness of a reverse osmosis water purifier depends on the density of the membrane. A membrane with larger pores will obviously let larger impurities pass through. It is also important that the membrane be cleaned regularly for proper functioning.
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