The need for a water purifier is inescapable, especially in a world where contaminants are becoming increasingly common, even though some have yet to become a threat that is considered life threatening. A water purifier removes impurities in water through a physical, chemical or a biological method by reducing contamination. Water purifiers can be either point of entry units that have only a filter to filter water before it enters the house or point of use units that have a variety of filters that are used for specific purposes. For instance, under-the-sink water purifiers filter water before it goes to the faucet and countertop water purifiers filter water as it moves through the system. There are also whole house water purifiers that provide water throughout the house under one unit, making water available to every member of the household.


When choosing a water purifier for home use, it is important to understand that there are a number of options available, including activated carbon filters, multi-stage filters, ion exchange and reverse osmosis filters. Activated carbon filters are considered to be the most effective of these filters. Carbon filters with ion exchange or reverse osmosis processes eliminate trace minerals such as calcium and magnesium, which are commonly found in tap water, making these filters less desirable for use in home use.


Another option that is useful for many people is a travel water bottle purifier. A travel water bottle filter can be attached to a water bottle and used when taking long trips or camping, enabling families to enjoy fresh, clean water at any time. Purifiers that attach directly to the faucet are another option, but for busy households, it makes more sense to have a portable water purifier that can be attached to the faucet to bring clean water to the whole household.

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