The Best Water Filters Today

Posted by Rolf Joho on February 21st, 2010 filed in What Causes Global Warming

There are well over four hundred companies that sell drinking water filtration systems for treating many types of contaminants. These systems vary widely in price, performance and quality, and although hundreds of companies make the units that can rid your water of such contaminants, only a small number of companies offer the best water filters and devices that are actually certified to reduce a large array of contaminants that cause serious health concerns.

When shopping for the best water filters, choose one that will reduce contaminants to at least one micron; less if possible, as the smaller the number, the better the filtration. Too much filtering though and you will remove the minerals that are good for your bones and teeth. These units will typically combine several types of filters.

If you take a look at loose carbon filters, you will discover that they are actually bacteria factories. They allow oxygen to exist within the filter, which encourages and enhances the growth of bacteria. Although this type of filter is very cheap to purchase, it is expensive in the long run, since the filters must be replaced frequently.

Distillation is effective when filtering bacteria, solids, sediments and organic or chemical contaminants that will not evaporate. There are some chemical contaminants, such as MTBE, that will evaporate, so distillation is not effective in filtering that.

Ultraviolet (UV) light is sometimes used in conjunction with other filters to kill bacteria, and has been found to be a very effective tool. The light affects an organism’s DNA, so it cannot replicate. If it cannot replicate, it is harmless.

Reverse osmosis (RO) is a filter which reduces fluoride, radium and numerous other contaminants to a very high degree, although it does have its limitations. There are a large number of contaminants found in water that will easily pass through an RO filter. Reverse osmosis is also used in conjunction with other filters to be very effective, though the process does remove the healthy minerals as well. RO by itself is capable of reducing contaminants such as radium, arsenic, barium lead, nitrates and nitrites, as well as giardia and selenium that are found in tap water.

The best water filters tend to have a long life capacity, and that is what saves money. Be on the lookout for a water filter that has a capacity rating of six months or longer, and understand that this number is an estimate. The actual lifespan of the filter depends on the quality of your water. If your water has a lot of contaminants to filter, then your unit will clog sooner.

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