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Countertop reverse osmosis filters have become a popular way to provide clean, purified water for drinking, cooking, and bathing uses in the home. Large-scale reverse osmosis filtration is also used for commercial and industrial purposes, and for the desalinization of salt water.

You would think that given widespread use and the high cost that this would be the best form of filtration available; however, there are some things you should be aware of before you invest in any countertop filter for your home use.

Reverse osmosis forces water under high pressure through a very fine membrane. The membrane traps any particles, chemicals, and contaminants, so the liquid passing through is hyper filtered. It is extremely effective. The only real problem with it is that it also filters the good properties out as well as the bad. The water typically tastes flat, because all the good natural qualities have been removed.

For example, water naturally contains helpful minerals that are good for your health. These include calcium, magnesium, and potassium. In addition, the filtered liquid coming from a reverse osmosis system can have a mildly acidic pH. There are many new studies linking an acidic body state to many diseases and medical conditions, ranging from fatigue, to arthritis, and even cancer. Drinking acidic water over a long period of time could be harmful to your health. And, when the body is suffering from a mineral deficiency, it begins to use up reserves from the bones and teeth, which of course causes other health problems.

Fortunately, there are other countertop filtration systems that are available to provide your home and family with pure, clean, filtered water without removing all the good qualities and taste. Search for a selective filtration system that has been reviewed and rated for quality in home uses.

Just do a little on-line web research, or take a close look at the filter specification sheet to get a good understanding of the quality of each type of filter, and which specific contaminants it will remove. Also, be sure to understand the initial cost, as well as maintenance costs, and replacement filter costs, so you can compare the cost per gallon for each system you are considering.

A good system will filter out chlorine, lead, VOCs, chemicals, parasites, bad taste and odors, and well as drugs in water and other modern chemical contaminants that you don’t want to be ingesting.

When you are considering a countertop reverse osmosis system, spend some time understanding the different options before you spend a lot of money and end up with something that was less than you hoped for.