Best Reverse Osmosis System Reviews 2016 – Buyer’s Guide

We are presenting you our top choice of the best reverse osmosis system for 2016. This extensive buyer's guide will not only present you our top choices of RO Systems including in depth reviews, but also will provide you with everything you need to know on how RO works.

Our Top Picks of 2016

  • $$$
  • 7 Stages
  • Made in USA
  • 5 year limited warranty
  • $$
  • 5 Stages
  • Made in USA
  • 1 year limited warranty
  • $$$
  • 5 Stages
  • Made in USA
  • 1 year limited warranty
  • $$
  • 5 Stages
  • Made in USA
  • 1 year limited warranty
  • $$
  • 6 Stages
  • Made in USA
  • 1 year limited warranty



 

The best reverse osmosis system 2016 reviews & buyer's guide

During the past four centuries, the process of reverse osmosis has been playing a very important role in water filtration. This process was first discovered by an individual named Abbe Noilett in 1748. However, since the technology was still new at that time, with no equipment to use, it was only in 1965 when the very first commercial plant for reverse osmosis was opened. Front that point on, the process has developed and evolved quickly. These days, water fltering using reverse osmosis has become an integral part in our everyday lives, and has also become a huge asset in both commercial and industrial use. It comes with a huge impact in our lives in many different ways.

As years passed by, reverse osmosis became a part of the distillation process, which was the more expensive counterpart of water filtration. Reverse osmosis was first used in commercial application about four decades ago, and is currently being widely accepted as both a safe and an affordable way in which you can purify your drinking water. The water produced through this process has been made available in different establishments where water is considered as a raw material, such as power generating companies, electronic and semi-conductor manufacturers, as well as pharmaceutical companies.

All these industrial establishments started using reverse osmosis in order to produce their own clean and safe water for personal uses. Out of these bigger industrial facilities, the process of reverse osmosis has eventually found its way to smaller facilities and industries such as manufacturers of flavored and bottled drinks. This move from the bigger corporations to smaller businesses was enabled further upon the introduction of the reverse osmosis machines which were also designed for small scale use. These machines have become more accessible and affordable even for residential use, thus making it possible to take advantage of the reverse osmosis process even in residential areas.

Aside from the fact that setting up a facility for reverse osmosis, or making good use of a system is relatively cheaper as compared to actual distillation, another advantage of the reverse osmosis process is that it is discovered to be quite effective in removing dissolved materials as well as organic chemicals that are typically found in water. This is perfect in filtering dissolved chemicals as well as heavy metals that may pose some risks to the health of the drinkers, thus producing better quality drinking water.


What is Reverse Osmosis?

Reverse Osmosis, commonly called RO, refers to a technology in water purification which uses semi-permeable membrane for the water purification process. This process also involves the passing of water through a semi-permeable membrane that is small enough to allow the molecules of water to pass through it and get rid of the bigger molecules. The process of reverse osmosis also involves using applied pressure in order to overcome the effects of osmotic pressure. This process can easily remove different molecules and ions from water including bacteria. It is currently being used on both residential and industrial water production. During water production, the water solute is typically retained on the membrane’s pressurized side while the solvent which is pure stays on the other side.

The membrane is created in a way that inhibits the entrance of larger molecules, thus being able to separate safe and clean water from those with impurities. The normal process of osmosis involves water movement coming from a specific area where there is low concentration of solute, to an area with a higher concentration of solute. This is done through a semi-permeable membrane. This movement of the pure solvent is often triggered with the need to possibly reduce free system energy by means of balancing solute concentration on the membrane’s two sides, thus creating osmotic pressure.

Therefore, the process of reverse osmosis can then be described as the application of external energy in order to reverse the solvent’s natural flow. This process is somewhat similar to other applications using the membrane technology, but with some differences as well. For example, the process of filtration involves the straining of solvent molecules, serving as the predominant removal tool. This is done by forcing huge molecules so that it becomes unable to pass through the semi-permeable membrane regardless of the pressure or concentration of solvent.

On the other hand, reverse osmosis is relatively different in that it is dependent on flow rate and pressure. It is popular for its role in the overall production of safe drinking water, where different sources of water, seawater included, is purified by means of removing salts, and other effluent materials and chemicals as well. The membrane is the most important part of the system using reverse osmosis. The ones that are currently used in commercial plants are usually made of polyamide, cellulose acetate as well as polysulfonate.

The skin of the membrane serves as the barrier which allows water molecules only to pass through. A standard reverse osmosis system is designed in a way that it is generally based on the TDS of feed water, or the percentage of recovery, or the percentage of rejection needed. This means that the higher the recovery percentage is, the lower the rejection percentage becomes, thus dictating the quality of the product water. Due to the fact that our environment is currently facing challenges, the integrity of water is currently facing some compromise. For this reason, reverse osmosis process is now used even in residential water filtration systems, therefore producing safe drinking water.

For information about water softeners, please see our in depth buyer's guide for the best water softener in 2016.


How Does a Reverse Osmosis System Work?

What many of us do not know is that seabirds were among the first living things to actually use the process of reverse osmosis in their daily lives. How so? Well, they get their drinking water from the sea, which is otherwise not safe for drinking. The bodies of seabirds use reverse osmosis in order to desalinate water coming from the sea. Seabirds were designed and equipped with a membrane found in their throats, allowing water molecules to get through those membranes, stopping the salt. This, in turn, allows them to drink unsalted, fresh water. What happens to the salty waste afterwards? They just spit it out easily.

Around forty years ago, humans studied how to copy this process. The earlier individuals who made this as their project has the similar reason in mind, that is, to desalinate water. Fast forward, reverse osmosis process is now being used in different industries. It served as a way to purify, or separate water, as well as other solvents from other water components. During recent years, however, this process has been used more prevalently in producing pure water used for dialysis in hospitals, as well as in the production of water for injection.

What is reverse osmosis and how does it work

As for the process itself, a lot of people wonder how does reverse osmosis work. Reverse osmosis is a complicated procedure that makes good use of a membrane. This membrane is placed under pressure in order to separate pure water, as well as other solvents, from a solution that is less pure. Nature has it that when two liquid solutions coming from various concentrations are separated using a semi-permeable membrane, the water passes right through the membrane towards the direction of the solution which is more concentrated, serving as a result due to osmotic pressure.

If there is enough counter pressure that is applied towards the concentrated solution in order to deal with the osmotic pressure, then the water flow tends to be reversed. The molecules of water can then combine to form hydrogen bonds within the reverse osmosis membrane, fitting right into the membrane matrix. Those water molecules entering the membranes may be pushed even further through pressure.

These days where water concerns have become completely turned into a global threat and with the climate change causing certain unexpected impact towards the environment, there is a need to make sure that the supply of water will never be depleted. For this very reason, water treatment facilities, as well as easy to acquire water filtration systems that use reverse osmosis are now being used in order to address these types of concerns.

While explaining the thorough details involved in the process of a reverse osmosis machine may not be an interesting topic at dinner parties, understanding it can help us determine how such a procedure can be important in our daily lives. After all, reverse osmosis is used for different purposes. Aside from desalination of water, it also removes certain chemicals or minerals out of a supply of water. It is also used in recycling facilities, as well as in other manufacturing industries.


The Best Reverse Osmosis System: Our 2016 Reviews:

1

OUR RATING


Home Master TMAFC Artesian Full Contact Reverse Osmosis Under Counter Water Filtration System provides a solution to many of the problems that are often linked with the so-called traditional and standard system for reverse osmosis. This unit from Home Master uses bigger tubings and fittings compared to the traditional systems in order to double the flow rate. Standard reverse osmosis systems often produce water that is demineralized and pure, yet acidic. Acidic water helplessly attacks the storage tank’s rubber bladder, entering the stream of water, thus affecting the taste.

This unit uses the patented full TMAFC Artesian Full Contact system which works in remineralizing water twice. The first phase happens as water goes to the storage tank and another on its way to the faucet. For the second phase, a small amount of magnesium and calcium minerals are added in order to turn the water slightly alkaline, as well as in improving the taste. This system produces mineral water by primarily stripping the water clean, and then removing about 98% of chlorine, chloramines, heavy metals, chemicals, pharmaceuticals, dissolved solids as well as other types of contaminants with the use of reverse osmosis.

2

OUR RATING


There is no question that the safety and quality of water that you drink should never be compromised at any point. Aside from the fact that doing so would protect you from any water borne diseases, it can also save you a whole lot from spending on expensive hospital bills. This unit comes with various features, all of which are meant to make sure that you do not only get clean water, but also high quality drinking water which can provide you with more value.

This system is equipped with the highest grade 5-stage ultra-pure system as well as NSF certified filters which can ensure you that the water that you get is safe for your health. It is “top tier” which means that quality is an assurance as this product is made in the USA. The water that it produces is superior enough to meet your needs. It has a capability to remove about 99% contaminants, ranging from heavy metals to arsenic and bacteria, thus ensuring your overall safety.

3

OUR RATING


Everybody wants to have healthy, ultra-fresh and great tasting water for drinking right from your kitchen tap and use it for making coffee, cooking, and other purposes. Since this is no longer possible in most communities these days, many resort to buying bottle water in order to consume contaminant free water. However, as time passes by, this option can turn out to be a very expensive. On the other hand, by getting a water filtration system, the same output can be achieved without having to worry about overspending.

This high grade APEC Water High Flow 90 GPD Reverse Osmosis Drinking Water Filter System is one option that you can look into. It has been tested and certified according to the highest standard in the water industry, that is, the WQA Gold Seal, serving as a guarantee to the highest contaminant removal rates, thus producing the purest possible water. It uses a system that is fast producing, and can purify water of up to 2X faster compared to the average alternative and remove a wide range of contaminants including taste, chlorine, fluoride, odor, lead, arsenic, chromium and several others.

4

OUR RATING


Water Filtration systems running in reverse osmosis work in removing majority of the contaminants that are found in water. The iSpring RCC7 – 5-Stage 75GPD Under Sink Water Filter System is so effective that it is capable of doing so as compared to other under-sink water filters. This means the capability of removing poor taste, unpleasant smells, as well as other contaminants such as heavy metals, chlorine and others. This unit also allows you to have optional additions which may include an AK carbon filter as well as a UV filtering stage.

This unit is equipped with a faucet needed by the filter, enabling you to select when you can use filtered water, thus lengthening the life of the unit’s filters. If you choose this option, there is a need for another hole which has to be added in order to mount your faucet. There are some sinks that already come with a hole that is used for a filter faucet or perhaps a soap dispenser. This iSpring filter also comes with a 30-day money back guarantee, as well as a one year warranty for both parts and manufacturing. Calling for support is also easy as there is a helpline that can easily be accessed. They are generally helpful and responsive. All in all, this filter is relatively cheaper but does a great job at the same time.

5

OUR RATING


What the iSpring RCC7AK – WQA Certified 6 Stages 75GPD Under Sink Water Filter can provide you is the purity of water that you need, combined with the minerals that you want. This system has the capability to restore the natural minerals that is usually removed during the reverse osmosis process. As an output, it produces great tasting mineral water right from your kitchen tap. It uses the most cost effective technology in producing great tasting water while removing up to 99% of the more than 1000 pollutants including fluoride, chlorine, arsenic, lead as well as other pharmaceuticals and microorganisms.

This unit is also considered as a top-rated legendary reverse osmosis system which is also upgradable. It has been enhanced with alkaline, that is, a combination of corosex and calcite, restoring natural magnesium and calcium minerals which were otherwise removed during the reverse osmosis process. It also features a six stage filtration system, incorporating polypropylene sediment, carbon block, and granular active carbon, reverse osmosis together with corosex and calcite technologies, thus producing crisp tasting, and bottled quality water right from your tap every year.

COMPONENTS OF A RO SYSTEM


The systems are composed of different components. While it may not be possible to discuss each and every tiny component here, we can take a look at their categories in general.

Housings and Brackets

These components include cartridges and threaded ports which are used to provide protection to your unit. It may also include brackets of different sizes, designed to meet the particular design of a reverse osmosis unit.

Shutoff Valves

The main function of shutoff valves is to control and stop the water flow towards the unit as soon as the storage tank becomes full. For the shutoff valve, the moment the pressure within the tank reaches about 2/3 of the overall pressure of the tap water going into the unit, it is already full. There are two general flow patterns. In certain valves, the water flows using a horseshoe pattern, meaning, it enters the valve, makes two 90 degree turns, and then going out through a port located on the same side. This pattern is known as the Payne style. Another style is the Flowmatic style, in which water enters through the valve, going through straight, exiting on the other side. Either style will certainly work, but it may be a whole lot easier to replace your valve if you select the same pattern as the one that you already have now.

Tubing, Fittings, and Accessories

When it comes to fittings, the ones that are most commonly used are nylon compression fittings, named Jaco, as well as the newer one known as John Guest. These days, it is easy to find several manufacturers of these fitting styles, but it is often best to choose the ones that are originals. These two styles for fitting may be interchanged without causing any problem at all. However, there is one important thing that needs to be remembered here. Jaco fittings should always be used together with a tube insert. On the other hand, tube inserts should never be used together with John Guest fittings.

Tubings, on the other hand, are usually made out of high grade polyethylene from G.A Murdock or John Guest. The tubing that is used for the process of reverse osmosis is often always measured through its outside diameter. This means that undersink units usually use ¼ inch of OD tubing, while others use a combination of ¼ inch as well as 3/8 inch tubing.

Tanks and Valves

A tank valve is a very important part of the reverse osmosis unit. Even though you may easily be able to find cheaper units which are built without any tank valve, the process becomes more complicated as there is a need to empty the entire tank if you need to perform a minor repair on your unit. On the other hand, with a valve, you can easily isolate the tank from the other components of the unit. This can prove to be a huge advantage when performing regular maintenance on your unit.

Flow Restrictors

These restrictors are very important when it comes to the process of reverse osmosis. It is the component which determines the amount needed in order for water to drain. There are different types of flow restrictors, including capillary style inline restrictors, as well as insert style flow restrictor.


What Does a RO System Remove?

The thing with reverse osmosis is that it has the capability of removing almost anything that you would want to remove. Such components include manganese, salt, iron, lead, fluoride, and calcium. This process is highly efficient in stripping minerals from pure water, as well as other solvents. For this very reason, it has become a valuable method in any water purification process in various industries where mineral free water is recommended for use in production and operation.

Any reverse osmosis system or unit, depending on its style, comes with one or more active carbon filters. According to the list of EPA’s regulated contaminants, filter carbon remains as the most recommended treatment filter for many. This type of filter works its best in removing organic chemicals, pesticides, chlorine and by-products, as well as herbicides. It is also unmatched when it comes to removing odor and taste impurities. This is the reason why a good RO unit only uses the best carbon filters currently available.

On top of the carbon filters, the system also pushes water right through a very tight membrane which performs things that even carbon filters cannot accomplish. This results in the rejection, or removal, of water constituents. For instance, if there is lead found in water, a standard thin film membrane has the capacity to remove about 94% to 96% of such constituents. On the other hand, if there is high amount of sodium in water, that same membrane can remove also about 94% to 96% of those components. It is to be noted that sodium, however, is not easily removed by means of standard filtration, but it is removed through reverse osmosis.

The use of membrane in reverse osmosis, combined with carbon filtration makes it great for removing chloramines, which is now being used by most major city water systems instead of the more common chlorine. As a result, reverse osmosis and carbon combined becomes the first choice for removing even stronger substances, such as gasoline additive, which has become more prevalent and present in most water supplies. If you are concerned about cryptosporidium and giardia cysts which have been reported in the news lately, having a unit at home to filter drinking water is a good option because the process of reverse osmosis can operate even down to a very tiny pore size of up to 0.0001 microns.

Overall, the process involving reverse osmosis offers a wide range of treatment that provides the assurance of producing great tasting, safe water, which is available at a very reasonable price. This process has been proven to perform while expecting minimal upkeep, thus providing a lifetime supply of delicious and pure drinking water. While bigger reverse osmosis plants are being opened for this purpose, modern technology has made it possible to have reverse osmosis highly accessible right at your very own home. With the right filtration system at hand, you can expect to come up with pure water that is not just safe for drinking, but also great tasting as well.


What Types of System Exist?

When discussing reverse osmosis, there are different types that are currently available. However, in order to understand each type, it is also important to determine what the process is actually a reverse of. For one, osmosis refers to the process where water moves from a high concentration going to a low concentration via a semi-permeable membrane. In the process of osmosis, the water that comes from a dilute solution naturally moves via a separating membrane going to the concentrated side in order to equalize the concentrations of both the solutions.

When the pressure is applied towards the concentrated side, the water’s natural flow is blocked. What happens is the exact reversal of the process. As a result, water will no longer flow out from the concentrated solution. Rather it flows into it. This is what happens during reverse osmosis. The reverse osmosis process is generally used in different filtering purposes. It also comes with different types.

As already introduced at the start, the process of reverse osmosis is very common, and it is also considered as a very effective process which is used in filtering pollutants that are unwanted, as well as contaminants that are present in the water supply. This provides the assurance that clean and pure water goes through the other side of the membrane. Also, aside from producing drinking water, this process is also used in the regular process involved in producing clean water that is used for various other purposes, such as in medical facilities, laboratories, pre-treatments, desalination, as well as other industrial uses.

The difference among the common types of systems for reverse osmosis depends on the kinds and number of membranes, or the system reverse osmosis water filters being used. For example, one specific type, the reverse osmosis floor water type uses about nine stages of filtration for its process. Each of these stages works in removing a specific type of contaminant. For example, the first stage removes the organic contaminants which cause smelling or a bad taste in the water. Because of the filters present, the quality of filtered water becomes high and unquestionable. On the other hand, if the number of filtering process is also high, the length of time for the process to be completed also tends to become slower. As a matter of fact, this system can only clean about a gallon of water per hour.

Another type of system that uses reverse osmosis is called the counter top model. This is the type which is recommended for office or residential use. Of course, the overall capability of a certain model still depends on the manufacturer. However, this model features four to nine stages of filtering. Most often, it also includes a hot and cold switch for power. This filter is able to offer around one and a half gallon of clean, filtered water in every hour. One advantage of this type of reverse osmosis system is that it is highly portable.

At the same time, there are also systems which offer a continuous flow of water that is already filtered. This type does not depend on any storage facility for operation. Rather, it is installed under sink, featuring the same filtering process with multiple stages. There are some models that use carbon filters in the system, giving the advantage of using both membranes and the carbon filtering technology. At the same time, since it does not use any tank, you can expect highly purified water only during the moment you open the tap. This is perfect in locations where the supply water is quite reliable.

The various types of systems operating under reverse osmosis are not just dependent on the system itself, but also on the membranes and filters being used. When choosing one, it is vital to understand how much, as well as what types of contaminants such systems can filter.


WHAT TO LOOK FOR AS A BUYER?


Before getting a reverse osmosis system, there are certain things that you need to look for. For this, comparing different types of systems is imperative. Keep in mind that all systems that are currently available in the market works with the same purpose. The appearance of most products is quite similar as well. At the same time, the basic components found in all systems are identical as well. The main difference is on the quality of the filters and membranes. Aside from taking into consideration the performance and quality of the filters and membranes within the system, it is also important to check and compare some points in the different systems that you are taking into consideration.

  • Check to see whether the system that you are planning to get is equipped with the capabilities that can remove the particles, impurities and bacteria from the water. This information is available in the product description of the product, in units of microns.
  • Identify the pressure of the water incoming, finding out which product can provide you with the best productivity.
  • Find out the water maintenance and temperature capability.
  • It is also important to see the overall quality of the used carbon filter. The system is connected with the valve for cold water line, as well as the water that is accumulated is added first to the pre-filter system that is of high importance.
  • The system’s storage tank is where water can hold up itself after producing purified coming from pre and post filter systems. After which, water becomes ready for the purpose of drinking. Most of the systems are often equipped with storage tanks that can accommodate 2.5 gallons. It is highly recommended not to compromise getting one which is lesser than this.
  • It would also be best if the reverse osmosis system comes with an auto shutoff valve. It is a very important feature that can help in the overall conservation of water. It also works in stopping the accumulation of water automatically the moment the tank becomes full.

What to Consider Before Buying a RO Water Filter?

There are specific things that you need to consider before making your purchase. For one, it is important to identify the quality of your tap, raw water. This is important as you need to identify the type of contaminants that are present and needs to be treated. Typically, water utilities in the community offers free water analysis in case you would like to request for one. After this analysis is done, you can then determine the contaminants present, and proceed to deciding the type of reverse osmosis system that has the filtering stages capable of removing those certain contaminants.

It is also vital to consider and ask for the “contaminant passage and rejection rates”. After getting your report of contaminants, you can get this information in order to provide you with a better idea of the capacity of the system to provide treatment. This usually includes the amount of contaminants that your system can remove after a particular period of time. On top of that, there are certain filtering systems which are certified when it comes to the reduction of particular contaminants as long as they pass a particular quality test conducted by NSF.

Another point to consider is the amount of treated water needed by your household. At this point, it is important to determine if you would like to have your water treated house wide through a whole house reverse osmosis, or if you need a faucet specific system. The actual volume of treated water needed need to be considered every day, including the size of the pump, holding tank, as well as membrane which may be determined according to estimations. It is also important to take note that this is especially important to choose the best one to fit your needs.

Purchasing and maintenance of your system is also very important, which is why considering them should be given attention. This is because you also have to include the budget for the maintenance system. This includes monitoring the quality of water, as well as the need to replace the membranes periodically, as well as the filters. On top of that, running a high capacity system may also increase your bills. Keep in mind that a certain portion of water will be drained away, considering it as waste water.

Take note that reverse osmosis filters are generally more expensive as compared to other water filtration systems. Buyers need to realize and understand that these systems are considered as the higher end of water filtration systems, thus expecting to have better quality and higher costs. Therefore, your selection can also be gauged depending on your budget and your actual needs.


Important Maintenance Tipps:

It is highly recommended to perform regular maintenance of your RO water filter unit in order to ensure optimum efficiency. In general, these systems are equipped with three, four or five filtering stages. Here are some basic information for maintenance that can apply to most systems using reverse osmosis.

For one, in order to provide protection to the delicate reverse osmosis membranes, first, water flows via a pre-filter. This cartridge has been designed in order to filter silt, dirt, sand, as well as other sediments. This pre-filtering stage need to be replaced once every 6 to 9 months. If this is not maintained properly, it may become clogged or may smell foul, and thus become unable to provide protection to the reverse osmosis membranes.

The next stage in most units uses a carbon filter in order to remove chlorine, as well as other odor and contaminants. This means that the filter needs to be replaced once every 6 to 9 months. The next phase is the reverse osmosis stage. This process involves the separation of water by using pressure, forcing water through the membrane. This membrane works in retaining the contaminant on a side, and then allowing pure water to pass on the other side.

Since the membrane used in this stage is semi-permeable, which means that it allows entry of water but not of solute, or the contaminants, it is also important to replace the reverse osmosis membranes once every 2 to 3 years. Still, keep in mind that membrane and system reverse osmosis water filter lifespan may vary depending on the local water usage and condition. Also, the final stage, the carbon filter stage, removes remaining odors and contaminants in order to create a high quality drinking water. This carbon filter needs to be changed once every 6 to 9 months.

Aside from the regular maintenance procedures, it is also important to clean your reverse osmosis system. This is done through a system sanitization and recharging, which needs to be done every year. This can be done with the help of a water treatment professional who can offer you this maintenance service. You may also want to consult the manual that came with your systems. When these things are performed accordingly your system may last for about 10 to 15 years. All you need to do is to make sure that you follow the schedule of the membrane and filter replacement, as well as the need to clean and sterilize your system annually.


The Pros and Cons of the Technology

To sum it all up, the technology of reverse osmosis was developed during the late 1950’s, as a result of an effort of the US government to desalinate seawater. These days it is being used in millions of homes, as well as by other facilities that need to use pure and clean water for their production and operations. Just like any other system, reverse osmosis technology comes with several pros and cons. Let’s take a look at each one of them:

THE PRO'S

Provides Outstanding Water Quality

Reverse osmosis technology has the capability to remove about 95 to 99 percent of total dissolved solids, including odor and taste of chlorine. At the same time, it can also remove certain contaminants otherwise undetected by other filtration systems.

Affordable

Generally, a reverse osmosis system has the capacity to produce great tasting water at a very affordable price per gallon as compared to actually purchasing bottled water. This is not to mention the experience and the convenience that you can expect in having it accessible right from your kitchen tap.

Healthier Water

In some studies, it has been discovered that families, especially the younger ones, tend to choose sugary drinks and even sodas because they do not like the way their water at home tastes. With the use of the reverse osmosis technology, however, you can now come up with a healthier option for liquid consumption. Households are now able to produce great tasting drinking water, and use for cooking as well.

Better tasting food

A lot of homeowners, mothers and wives in particular, discover that the use of cooking water produced through reverse osmosis creates an impact on the flavor of most of their dishes. This is because there is just nothing comparable to using clean water which is free from unwanted impurities. For this very reason, a lot of restaurants are now choosing to use reverse osmosis filtered water when cooking.

THE CON'S

Potential Clogging

Since a RO systems use small pores for filtering, clogging can turn out to be inevitable at some point. For this reason, it is very important to have the system maintained regularly. As a matter of fact, even common chlorine can already work in damaging a reverse osmosis system. Thus, so as to maintain the system, a lot of owners include in their investment a pre-filter which can protect the unit from turning foul, or even partner it together with a house conditioner.

Need for Filter Replacement

After purchasing and installing, you can expect to produce good quality water. However, you still have to deal with the continuous expense involved in routine filter maintenance and changes. Also, even though the system is maintenance free, cleaning and sterilizing should also happen annually.

Slower Process

Since reverse osmosis utilizes water pressure in order to force tap water through the membrane, the entire process may take time. Therefore, if you are planning to use a lot of filtered water all at once, it is important to be patient and allow time for the reverse osmosis process to start refilling the tank.

Despite having these disadvantages, the advantages still win. For this reason, millions of homeowners all over the world still choose to implement a reverse osmosis system for their home water filtering process. There are a lot of options that are currently available in the market these days. By taking into consideration the information presented above, choosing the best one is possible.

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Sources:

https://en.wikipedia.org/wiki/Reverse_osmosis​

http://www.nsf.org/consumer-resources/what-is-nsf-certification/water-filters-treatment-certification/selecting-a-water-treatment-system/

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