The need for pure water is world-wide. In some countries, the mortality rate is very high because of diseases spread through impure water. Even city water that meets minimum standards contains impurities so small they cannot be tasted or seen with the naked eye. Yet they are still present. One way to remove these impurities is to purchase and install a countertop water filter.

For a convenient, easy to install, trouble-free system of filtering water, the countertop water filter is the way to go. The unit attaches to the faucet where the aerator normally is. No special tools are needed to install it. Once the unit is turned on, it always contains an ample supply of filtered water at the flip of a switch at the faucet. One direction dispenses filtered water; the other direction saves money by dispensing unfiltered water for washing.

Countertop water filters work by running the water through a series of filters before returning to the faucet. Because of the amount of time the water is in the filter, a greater amount of contaminants are removed.

The filtered water is not as pure as distilled, nor do most people want it to be. Calcium, potassium and magnesium add taste to water and are desired components. These pass through the filter. But chlorine, lead, and organic chemicals are filtered out, along with algae by-products, and other chemicals that cause bad taste or odor.

Most models of countertop water filters require that the filters be replace periodically. After all, if they are doing their job, they will eventually clog with contaminants. It is best not to try to wash them but instead to replace them with fresh filter inserts. In fact, many like to have a spare set of filters on hand so that their supply of fresh filtered water is not interrupted.

Countertop water filters have several advantages. In spite of the cost of replacement filter(s), the overall savings over bottled water is significant. Also, the convenience is a great selling point. Flip a lever and fresh filtered water for cooking or drinking pours from the faucet. Flip it back, and unfiltered water is available for washing.

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