For even the savviest of shoppers, buying a water filter in today’s marketplace can be confusing. Hopefully, this article can assist you in making the right choice when purchasing a new filtration system for your home or business. When it comes to water purification, there are quite a few different technologies to choose from, such as loose carbon, distillation, ultraviolet light, reverse osmosis and carbon blocks. Let’s take a look at what are the best water filters available today and how each of them works.
The first step is to decide what you want to accomplish with a water filtration; do you want to reduce chlorine, stop bacterial growth and cysts, or would you like to deal with a wide range of organic and chemical contaminants all at the same time? The best water filters can do all of these things at one time. You should also consider whether or not you want to remove the healthy minerals from your water, such as calcium and magnesium.
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.
When choosing the best water filters, performance is the key factor and is actually the most important thing to look for in any water filtration system. Do your research and don’t waste your money on an ineffective water purifying system that simply does not work. Carefully read the packaging to determine which contaminants the filter will reduce, as stated by the manufacturer. The label on the product package should indicate this information based on standards set by the National Sanitation Foundation (NSF) International (a public health and safety company).
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