Residential Reverse Osmosis Systems - What You Must Know Before You Buy One

Residential reverse osmosis systems vary in quality and price

. They are not as effective as the ones used in industrial applications. Here's what you should know before you buy one.

They create gallons of waste water, a problem for most homeowners due to the added stress on the septic tank of sewage system. The wastewater created is also an environmental issue because of the higher concentration of contaminants.

Attempts to reclaim the waste water have been unsuccessful. Some companies recommend using it to water the garden, but that's a bad idea. It means that the contaminants would end up on your fresh vegetables.

The ones designed for industrial applications create less wastewater. Unfortunately, they still have limited effectiveness against some types of contaminants.

The membranes in the units will not filter out chemical compounds such as chlorine or THMs. The traces of drugs that have been found recently in samples from all over the world will not be removed by the membranes, either. Removing those contaminants needs to be the goal of most homeowners.

When it comes to reverse osmosis systems residential and industrial, alike, the same disadvantages are seen. This is the system of choice for bottling companies. It is also the reason that what you would buy in a bottle is not as clean as what you could do with a well-designed home purification system.

With granular carbon and solid carbon blocks, chemicals of all kinds can be removed. With ion exchange, lead and copper particles can be trapped. With sub-micron filtration, parasitic cysts can be removed.

Kitchen units containing all of those steps are readily available and affordable. They make no noise, which is something that cannot be said of residential reverse osmosis systems; they are noisy and take up a lot of space.

To address the disadvantage of chemical reduction, some companies have taken to adding a granular carbon step. This alone should tell people that the manufacturers realize the problems inherent in the RO purification system.

Reverse osmosis was never meant as a stand-alone purification step. It was originally introduced as one step that could be used in a public treatment facility. Other steps used by the facilities include carbon beds, although they are not as effective as a point-of-use carbon filter, simply because the granules cannot be tightly packed.

Chemical disinfection is another of the treatment facilities responsibilities. Most companies use chlorine for that purpose. Reverse osmosis systems residential units cannot remove chlorine. The taste and smell of it will still be present even after purification. That's why some manufacturers have added the carbon step.

The only problem is that these units are too expensive for most homeowners. Yet, all homeowners need some form of home purification. There is only so much that the treatment facilities can do.

People who own private wells are sometimes luckier, but not always. If you have a well, you should have the water tested on an annual basis to insure that the necessary purification steps are in place. Residential reverse osmosis systems are simply unnecessary in most homes. There are less expensive and more effective alternatives.

Residential Reverse Osmosis Systems - What You Must Know Before You Buy One

By: Lauren Leddy

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