Reverse Osmosis System Problems They Won't Tell You About
Reverse osmosis systems for in-home use are not the right choice for most people. Originally, the reverse osmosis system was designed for large scale operations. Your public water treatment facility is probably using some form of the system.
The problem is that the water treatment facilities are just unable to keep up with the variety of pollutants that have entered the ground water over the years. They have done a good job, in that we don't see outbreaks of cholera or dysentery in this country, but it is long-term health risks and chronic health problems that are our major concerns, now.
The only way to be completely safe is to install good filters within our homes, but some companies are taking advantage of our need to take care of ourselves. They advertise reverse osmosis systems as the answers to all of our problems. They are not being completely honest.
As mentioned above, the reverse osmosis system is often used by water treatment facilities, but it is also used in industrial settings where there is a need for de-mineralized water. Film development, for example, requires de-mineralized water.
Simply put, reverse osmosis systems work by forcing water at high pressure through a porous membrane. Much of the water is lost, becomes waste water. Sometimes, it is recycled back into the system. Sometimes, it goes back to the source, whether that is a river or a sewer.
Depending on the type of reverse osmosis system that is used and the size of the pores in the membrane, anywhere from three to five gallons of water is wasted for every one gallon that is cleaned. In the case of making river water acceptable for human consumption, that's okay, but if you are paying a utility bill based on your water consumption, then it's not okay.
Not only are reverse osmosis systems expensive, they increase a person's water bill. They are difficult to install, typically requiring a plumber's help. So, you have to pay for the reverse osmosis system, pay the plumber and your monthly water bill goes up.
Also, drinking de-mineralized water is not healthy. The trace minerals found naturally in ground water are good for your health. Depending on where you live, your water may be your best source of potassium or other minerals.
Studies have shown that drinking de-mineralized water on a regular basis is bad for the digestive system and sometimes results in mineral deficiencies. Installing reverse osmosis systems in the home could cause similar health problems for you and your loved ones.
There are good choices for in-home water filters. Activated carbon is an absolute necessity if you want good tasting, chlorine free water. Micron filters block particles that would pass right through a reverse osmosis system membrane.
So, buy a good system, but skip the reverse osmosis systems. They waste water and for most people they are a waste of money.
21:20 | ป้ายกำกับ: osmosis, problems, reverse, system | 0 Comments
The Truth About Reverse Osmosis Water Filter Systems
The value of reverse osmosis water filter systems for home use has been overstated by manufacturers and marketers. Large facilities typically use reverse osmosis treatment during the initial or secondary stages, but it is a long way from being clean enough to pass government standards for public drinking water. And, as you probably know, those standards are not that high.
There are over 2000 different cancer causing chemicals in tap water. Reverse osmosis water filter systems can block very few of them. They work by forcing water under high pressure through a porous membrane. The size of the pores determines what substances are blocked.
Most chemicals dissolve in water and their molecular size is smaller than that of water. So, when the water passes through, the chemicals go right along with it. Reverse osmosis treatment was never designed to do what most of us need an in-home system to do.
People who can see dirt in their water may be wise to invest in reverse osmosis water filter systems, but additional filters are still needed to make the water "drinkable". Armies use portable units when they are traveling in areas with dirty water, but they also use disinfectants, because the system does not kill or trap bacteria.
Companies that need de-mineralized water often invest in reverse osmosis treatment, because it can reduce the mineral content to practically nothing. People should not drink de-mineralized or distilled water. It's bad for the digestion and can lead to mineral deficiencies.
The compounds that come through the tap are too small to see with the naked eye. Sometimes, you can smell them or taste them, but they are mostly microscopic. That's one reason they are so dangerous. We don't know that they are there.
Several years ago in Milwaukee, over a hundred people died as a result of drinking tap water. The water supply had been infected with a microscopic parasite that may only cause a stomach ache, but can cause serious illness. Water experts commonly refer to the microscopic organisms as cysts.
Reverse osmosis water filter systems can not block cysts. The cysts are resistant to chlorine, which kills most living things in the water and can cause health problems in humans. So, even though the treatment facility in Milwaukee had done everything they were required by law to do, they were unable to protect the public.
Environmental groups would like for the government to do more to protect us. But, they may be doing as much as they can. Years of dumping pollutants on the ground, where it seeps into the water supply and directly into the water, either purposefully or because of run-off can not be corrected over night. It's up to us to protect ourselves.
Reverse osmosis treatment cannot protect us, but there are excellent water filters that can. You should learn more about those and forget about the reverse osmosis water filter systems, at least for now.
20:40 | ป้ายกำกับ: filter, osmosis, reverse, systems | 0 Comments
GE Reverse Osmosis Water Filters - Here's the Scoop!
Doesn't "GE Reverse Osmosis Water Filters"-sound like a good thing? If GE puts their name on a water filter, it ought to be good, right?
First some background:
You already know there's a problem with our water, or you wouldn't have been looking for information on water filters. One issue is the increasing contamination of our water supplies with pharmaceuticals. Prescription drugs and over-the-counter drugs are increasingly being found. We consume, then excrete (or discard without consuming) these substances, and they wind up in our rivers and ground water.
Since our water treatment plants, for the most part at least, weren't designed to filter out these chemicals, they end up in our tap water. Everything from antibiotics to pain killers like ibuprofen and codeine to hormones to sun screen to cancer chemotherapy drugs to anti-depressants-- and anything else you can think of can be found in our water.
Pharmaceuticals are only part of the problem. Studies have found that approximately 2100 chemicals can be found in our water as a result of the 80,000 or so chemicals used by industry, agriculture, and in our homes.
Many of these chemicals we know to be dangerous. Many of them we don't know about, and we especially don't know about the effects of drinking the combinations of chemicals.
So far, most of the pharmaceuticals have been found at very low level, perhaps too low to cause a problem... but we don't know for sure what the long term effects might be, especially on infants and children. Scientists differ, but many are very concerned. For example, what if a strain of bacteria becomes immune to the effect of a particular antibiotic?
OK, so we know there's a problem. How do we solve it?
The best answer is a home filtration unit, of which the GE reverse osmosis water filter is an example. Reverse osmosis filters are one of the two primary types sold in the U.S.
The GE reverse osmosis water filter is probably among the better ones of its type. One problem, though, with all reverse osmosis systems, is that they waste water. For each gallon of filtered water produced, some three to ten gallons is wasted and sent on down the drain, depending on the system, because of the need to wash the trapped chemicals and sediment off the membrane.
Because forcing the raw water through the very fine pores of the membrane used in these systems is a very slow process, reverse osmosis systems require storage tank, typically 2-5 gallons, which takes up a lot of room under the sink.
Even though the membrane has very small holes, most of the pharmaceuticals and other organic chemicals such as pesticides and weed killers in our water are smaller than those holes, so they flow right on through the membrane. To catch them, a carbon filter is used.
So why complicate things? Why not just use a carbon filtration system in the first place?
Reverse osmosis systems also cost more to operate. They typically produce drinking water at a cost of $.25 per gallon or more. By comparison, the best-selling carbon filtration system, the one I installed in my home, does it at a little less than $.10 per gallon.
It should also be noted that any filtration system is much better for the environment than buying bottled water. Sixty million bottles water bottles a day are manufactured in the U.S., and most of them end up in landfills. That's a lot of plastic in the landfills, and a lot of petroleum used to manufacture the bottles in the first place, not to mention the transporting of all those bottles. Huge environmental impact-do your part to not participate!
For my money, the carbon filtration, or "Carbon Block" filter unit is the best answer to contaminated water. They're the least expensive type to operate, don't waste water, and do a better job of filtering out the bad stuff.
Crystal Clear Reverse Osmosis Water Filter - What You Need to Know
If you are looking for a drinking water filtration system there are two main types to consider... a countertop water filter or an undersink water filter system. There are a couple of good ones on the market and the Crystal Clear Reverse Osmosis undersink water filter system is one of the more well known and effective units.
Before you choose your water filter it is important to know what method of filtration the unit uses as well as what pollutants it will remove and the pros and cons of the unit. Below I will go through exactly what you need to know to find out if Crystal Clear is the right filtration system for you.
Method of Filtration
This 5 stage Crystal Clear water filter uses reverse osmosis as a filtration method. There is good and bad to using reverse osmosis to filter your water.
The good:
Reverse osmosis is known to be extremely effective in cleaning out pretty much all contaminants from the water. It works fast and it works very well.
The bad:
Reverse osmosis is also known to strip the water of not only the bad contaminants but also of the important trace minerals that are essential for our health. If you use a reverse osmosis system it is extremely important that you purchase some trace minerals from a health food store to replace in your water every time you drink.
Pollutants Removed...
The Crystal Clear undersink water filter system is for small quantities of water such as for drinking and for cooking. It will clean up to 100 gallons of water per day which is decent but not as good as say the Aquasana system that filters up to 30 gallons per hour.
This unit will remove:
Chlorine
Heavy metals
Barium
Cadmium
Chromium
Lead
Mercury
Sulfate
Important Facts and Features:
The Crystal Clear drinking water filter has some great features which help with its popularity. It has an auto shut-off, a ¼" tank ball valve, easy install pack with feed water adapter, drain saddle, NSF listed storage tank, chrome, long-reach and lead-free faucet spout, high quality filters as well as good installation instructions and a diagram.
The unit dimensions are:
Main Unit: 18"H x 16"W x 6"D
Storage Tank: 11"D X 15"H
This unit comes with a one year warranty on components, excluding the membrane and pre and post filters.
Final Thoughts...
The reason the Crystal Clear water filtration system works so well is because of its five stages of treatment. The water is put through five different filtration stages and the end result is crystal clear water that is clean and healthy.
Pros & Cons
Pro Crystal Clear Reverse Osmosis Undersink Water Filter
Affordable
Cleans water efficiently
Filters quite fast
Auto shut-off helps reduce waste
Compact size
Nice faucet
Against Crystal Clear Reverse Osmosis Undersink Water Filter
The reverse osmosis will strip the water of all the good minerals as well - they will need to be replaced.
Only filters 100 gallons of water per day where as other systems such as Aquasana filter 30 gallons per hour.
The installation instructions have been noted as being poor and hard to understand.
I like this unit but to be honest it wouldn't be my choice. I have used reverse osmosis in the past and have found it to be a little bit tiresome to always have to be adding back in the trace minerals. It is not that big of a deal but given the choice I would choose a unit that uses different a different filtration method. However the Crystal Clear water filtration system is a very good price and is very appealing for many people.
16:00 | ป้ายกำกับ: Crystal, filter, osmosis, reverse | 0 Comments
Reverse Osmosis Water Treatment System - Do You Need One?
I've been reading a lot about the wonders of the reverse osmosis water treatment system. I don't know what you may have heard about these units, but I am here to tell you right now that reverse osmosis water treatment systems are not all that they are made out to be.
The reverse osmosis treatment system is being recommended for use by the average homeowner, but don't pull out your wallet just so fast. The truth is that you probably don't even need this unit. If you are connected to the mainline water system in your city or town then you'd be wise to pass this one up.
The only people who will benefit from the use of reverse osmosis water treatment systems are those that live on the outskirts of society, and draw their water from a well or other water source. Of course you would still need chlorination, and additional filtering to ensure the purity of your water.
So, why would you need additional filtering when you already have a reverse osmosis water treatment system? Because all that this system is going to do for you is clean the sand and silt out of your water. You will still need something that will remove the chlorine, and any remaining parasites from your water.
That is because reverse osmosis treatment systems are not designed in a way that allows them to remove such things as liquids or microscopic organisms. These things pass right through and end up coming out of your tap. These impurities could make you very sick over time.
It is a version of the reverse osmosis water treatment system that is being used at your local water treatment facility. This unit that they use does not even adequately clean your water as well as it should. They call the water safe to drink, but it still carries a large number of impurities.
Reverse osmosis water treatment systems designed for home use are also wasteful, and expensive to use. In order for this unit to produce a single gallon of "clean" water it actually turns an additional five into wastewater. It also runs on electricity, and it will push your utility bill sky high.
In the place of a reverse osmosis water treatment system you should purchase a home water purification system that uses a variety of different filters in order to clean out a large number of different contaminants from your drinking water such as chlorine and other chemicals, surviving parasites, and toxic heavy metals.
This is the kind of purification system that you need, not a wasteful system that doesn't even come close to completing the job that you originally bought it to do. These systems are simply a waste of money for most people despite what the ads about them or the salesman may have said.
There are far better choices designed to clean and purify your water than the reverse osmosis treatment system. Don't let anybody sell you something that you simply don't need.
12:00 | ป้ายกำกับ: osmosis, reverse, system, treatment | 0 Comments
How Does Reverse Osmosis Work And Is It Effective In Removing Harmful Toxins From Our Water?
Those in the market for a water filter often ask, how does reverse osmosis work? RO is the first method to come to mind, because for many years these systems were the number one method for purifying water. Recently, however, research has concluded that this method should not be overused because it can remove healthful and necessary minerals from the water, leading to mineral deficiencies in the human body and pH imbalance.
The explanation for why it does this is answered by the question what is reverse osmosis? Reverse osmosis is, as the name implies, the process of osmosis but with a different goal. In nature, the process of osmosis makes molecules seep from one side to another so that it is evenly distributed on both sides. Imagine a piece of cheesecloth separating two types of liquid. Through osmosis the two types will blend through the filter of the cheesecloth.
Reverse osmosis takes that same piece of cheesecloth and instead sifts out the vegetables and potatoes, which are larger pieces so that the soup now has none of these larger chunks in the broth. If you've asked how does reverse osmosis work, you've just pictured your answer. In water, larger trace minerals and other molecules are "sifted" through a filter, and they get caught in the filter, just like the meat and potatoes did in the cheesecloth. These "impurities" are then removed. The problem is that these minerals are no longer considered impurities. We now know that there are plenty of minerals and even metals in our own bodies, and that to remove them through reverse osmosis would actually detract from the quality of water if it is done too much.
Some reverse osmosis is important in filtration, but no filtering system is complete without the presence of an activated carbon filter. These carbon filters remove synthetic organic contaminants like pesticides, fertilizers from agricultural runoff, and chemicals from household cleansers that have been disposed of improperly. This is not a part of the reverse osmosis solution. So when asking what is reverse osmosis, a person should also be curious about carbon filtration.
Carbon filters use carbon as a binding agent so that when the water passes through it, the organic and synthetic organic chemicals get stuck while the pure water passes through. Chlorine, too, is filtered out by activated carbon systems, which is great, because the use for chlorine ends the minute the water is purified. From then on, chlorine acts to dry skin (just like when you're at the pool) and increase one's chance of getting cancer and suffering from asthma, which is no fun for anybody.
The most up to date filtration systems use a multi stage method for filtering water including carbon filtering. No filtration system is complete without it. What is reverse osmosis without talking about water taste? Honestly, reverse osmosis reduces the tastiness of water, because part of what makes water taste good to us is the minerals in it. Carbon filtration, however, improves the taste of water by filtering out the organic contaminants and leaving the minerals.
The next time somebody asks you how does reverse osmosis work, you can tell them about carbon filtering, too. Both processes have been important advances in water filtration technology, but the activated carbon system is more advanced and has been slowly pushing reverse osmosis into the background.
How to Make Reverse Osmosis Water Filters More Effective
When reverse osmosis filters were introduced at the turn of the last century, it was to stave off the rash of deaths brought on by the contraction of waterborne diseases. While reverse osmosis water filters have done an admirable job up to this point, there is more that needs to be done.
Since the advent of the practice of chlorine disinfection back in 1908, water treatment facilities have used reverse osmosis water filters to spare many lives over the years. The system designed primarily to remove sediment from our drinking water had taken great strides in the combat against biological contaminants in the water supply.
Since then, things have been going steadily downhill where reverse osmosis water filters are concerned. The industrial revolution in America has given us many appreciable luxuries, but it has cost us the possibility to be able to find drinkable water from any existing natural source.
Reverse osmosis filters must now contend with contaminant such as herbicides, pesticides, petroleum products, cleaning agents, and pharmaceuticals, that the system wasn't designed to be able to stop. This is the dilemma that we find ourselves in today.
We are reliant on reverse osmosis water filters to do something that they were never intended to have to do. They were only built to remove particles that were heavier that water molecules. The system is incapable of slowing down this armada of chemical contaminants.
With the additional help from a multi-stage filtering system that is designed to precisely and effectively block out the individual threats that we now face, reverse osmosis systems could be effective, but only as the first stage in this chain. Don't however expect to see any large scale changes at the treatment centers.
The water treatment facilities are typically county run, and funded by the state. There is no possible way for a county or state government being able to come up with enough extra money to be able to make the kinds of renovations that the reverse osmosis water filters need to make.
So, what is to be done in order to make up for the inadequacies of the reverse osmosis filters in order to make our water safe to drink? It seems that we as individuals are forced into deciding on a personal level whether or not the health threat that the public drinking water poses to our families is great enough to force us into taking steps to protect ourselves.
The answer is a simple one for me, but it might not be for everyone. People have known about the shortcomings of reverse osmosis water filters for years, and have still done nothing. The threat to our health is growing greater all of the time. With new impurities turning up at regular intervals it's only going to get worse.
Now is the time to take action by purchasing a home water purification system. You can't afford to wait until they discover evidence. With 2100 known carcinogens already in the water supply, we cant depend on reverse osmosis water filters any longer.
08:00 | ป้ายกำกับ: effective, filters, osmosis, reverse | 0 Comments
Why Pay $10,000 For a Whole House Reverse Osmosis Water Filtration System?
Companies producing and selling reverse osmosis units tout the systems abilities as the greatest innovation in filtration history and claim that no home can afford to be without one. As with other "snake oil salesmen" throughout history, the makers of reverse osmosis water filtration systems claims are grossly overstated.
Reverse osmosis units simply do not have a useful place in most homes around the country. Reverse osmosis water filtration systems are beneficial in some industrial applications and the portable units have military and missionary applications.
Army field units and aid giving missionaries can use portable reverse osmosis units to extract and filter water of very poor quality, creating"potable" water. Reverse osmosis water filtration systems will, for the most part, prevent immediate illness from biological contamination. They won't filter out pesticides and other chemical contaminants, but the adverse health effects of those are typically long-term.
That is one of the major drawbacks to reverse osmosis units. Reverse osmosis water filtration systems only do part of the job.
In order to remove chemicals, such as chlorine which must be added to prevent algae from growing on the filter and to kill microscopic bacteria, water must be run through additional filters. Even water treatment facilities do not stop with reverse osmosis units. It's only one step.
Even after chlorination and a run through reverse osmosis water filtration systems, water can still contain tiny parasites (cryptosporidium for example). They are resistant to chlorine disinfection. Only a micron filtration system that effectively removes cysts (a stage in the life of the parasite) can block them.
Treatment facilities use their reverse osmosis units to filter out raw sewage, mud, dirt particles, algae and other larger pollutants. If you have cloudy, dirty water that does not come from a public treatment facility, then you probably need reverse osmosis water filtration systems, other wise, they are a waste...a waste of money, time and water.
Whole house reverse osmosis units cost more than $10,000 and that does not include installation, for which you will need the help of a plumber and an electrician. Extensive and careful maintenance must be performed on a regular basis, or the unit will stop functioning.
The membranes in reverse osmosis water filtration systems are delicate and prone to rot. They tear easily and manufacturer's defects can render them ineffective. If you have reverse osmosis water filtration systems, you can never be 100% confident in the quality of your water, unless you use other filters at the taps around the house.
Most of us need good water filters around our homes. If we have public water, there is chlorine to deal with. Treatment facilities cannot guarantee the absence of cryptosporidium and other illness causing cysts in the public water supply. Lead is a problem in many homes. Well water may have numerous problems.
It's just that reverse osmosis water filtration systems will not address most of those problems. If your water is really bad, portable reverse osmosis units may be a good first step, but they are not the final or only answer.
07:20 | ป้ายกำกับ: 10000, filtration, osmosis, reverse, system | 0 Comments
Osmotic Treatment of Wastewater - How to Make Reverse Osmosis Work
The reverse osmotic treatment process is an accepted method for the treatment of wastewater. But before you consider applying this form of wastewater treatment, you must know certain points about osmosis and the right pressure that has to be maintained for the proper functioning of osmotic plants. In this article I tell you how to calculate this pressure.
Osmotic Pressure
The osmotic pressure can be defined as the pressure difference found between two solutions at a state of equilibrium, but with different amount of salinity, when the two solutions are kept at the two sides of a semipermeable membrane. The osmotic treatment requires that one of the solution is of high concentration which will absorb water molecules. But in the reverse osmosis commonly employed, this principle is reversed by applying pressure on the concentrated solution which forces the water molecules out to the other side of the membrane and into the diluted solution, thus increasing the purity of the diluted solution. This process yields water with high level of purity.
When the osmotic pressure is defined in relation to water molecules, it is the difference in potential energy existing in the water molecules in two separate solutions.
The formula used to calculated the pressure required for osmotic filtration is as follows:
(RT) (Pa^o)
----In--------- = B
(Va) (Pa)
In this formula,
B represents the osmotic pressure written as "atm",
R represents the value 0.082 (l. Atm / (mo l.k)),
T represents the temperature of the solution written as (k),
Va represents the value - volume/mole of the solvent written as (l/mol). Here Va of water is 0.018 l,
Pa^o represents the pressure of vapor of the solvent in the dilute solution written as atm, and,
Pa represents the pressure of the vapor of the solvent in the concentrated solution written as atm.
To calculate the osmotic pressure of the diluted solutions the formula, B = CRT is used. In this formula, the unit C represents the concentration level of the solute written as mol/l.
The success of the reverse osmotic treatment process depends on how the osmotic pressure and the external pressure is applied to the wastewater solution and the capabilities of the separating membrane. Without the correct pressure the process will not succeed.
23:20 | ป้ายกำกับ: osmosis, Osmotic, reverse, treatment, Wastewater | 0 Comments
Are Reverse Osmosis Water Treatment Systems Viable?
The term, Reverse Osmosis, refers to a somewhat antiquated way of filtering impurities out of water. While RO water treatment systems are being used by some homeowners, this system is quickly being replaced by more modern ways of filtering drinking water.
Reverse osmosis (RO) still has some advantages when used in commercial operations. It is chiefly used to desalinate water. The printing industry used it extensively as it was an ideal way to supply a constant clean flow of water to expensive printing presses. However, it has now become completely outdated for residential purposes.
When it was introduced for home use, it quickly became evident that it had many drawbacks. It was marketed with great excitement but, unfortunately, it failed miserably in the home environment. The biggest problem was the length of time it took to filter water. To gain a gallon of water, filtration took four hours.
Another disadvantage is the high cost of installation. Added to this, consumers have become extremely concerned because reverse osmosis is only able to filter water. This means that it is unable to remove harmful chemicals. This is of little significance in commercial and industrial operations, but it is hugely significant in the home.
This inability becomes even more worrisome when one considers that many governments throughout the world add chlorine to drinking water. Chlorine is an intoxicating disinfectant which is used to kill off biological contaminants found in water. This is a Catch 22 situation because it may remove some contaminants but it cannot remove chlorine. Chlorinated water makes people ill. It also destroys Vitamin E, trace minerals and essential fatty acids in the body
The effects of chlorine ingestion are of great concern to health officials. It has been proven to be associated with asthma and related respiratory conditions, as well as cancer of the breast, bladder and rectum. Even more alarming, recent studies show that it may be linked to learning disabilities. RO cannot remove chlorine, so how can it eradicate other dangerous impurities?
Lastly, reverse osmosis water treatment systems require huge amounts of water to operate. This does not augur well for global initiatives to conserve the rapidly declining supply of water. A staggering four gallons of water is needed to get just one gallon of filtered water through RO. From an economic and environmental standpoint, this waste is totally unacceptable. For these reasons, consumers are choosing less expensive and more effective water filtration systems.
Reverse Osmosis Water Filter
Reverse systems are not ideal for residential use. They were originally developed for industrial and commercial usage. When reverse osmosis water filter systems were first introduced for residential use they were a huge seller. However, this was before people knew the effects of drinking water put through a reverse osmosis filter. While reverse osmosis is not the best way to filter water, certainly it is better than no filter at all, but there are many disadvantages to drinking water from a reverse osmosis filter.
As far as health concerns go, teverse osmosis water filter systems cannot filter anything that is molecularly smaller than water. Many pesticides, bacteria and chlorine are lighter than water and they are left behind in water that has gone through the membrane of a filter. Also, trace minerals that are essential for our health are stripped away from the water through a reverse osmosis water filter. This leaves us with de-mineralized water that is potential harmful to our health because of the pesticides.
Everything that is supposed to do can be done by another type of filtration and in most cases it is done better. For example, carbon filtration wastes, it wastes no time and it does not filter out the minerals from the water, while at the same time filtering out synthetic and harmful chemicals and improving the taste and smell. Ultraviolet radiation treatment kills all of the bacteria and other microorganisms from the water that reverse would miss. Ion exchange filtration can soften water and remove lead at a higher rate than a reverse filter.
07:00 | ป้ายกำกับ: filter, osmosis, reverse | 0 Comments
Uncover Reverse Osmosis Water Systems
What if I told you there are several types of water filtration systems on the market these days? With so many out there, it really makes it hard to choose which would be best for the home. The condominium I occupy had a reverse osmosis water system with changeable filters installed by the homeowner's association when the building was constructed over 25 years ago. I am very concerned about fitness, health and longevity, so I really decided to put this system to the test and see what it was all about. I really didn't know what a reverse osmosis water system did, so I happened onto the internet to see what information I could find out and decide if this was the best choice in water purity.
Reverse osmosis (RO) is a process by which pressure is used to force a solution through a semi-permeable membrane allowing passage of solvent but not solute. It's best known for being used for desalination (or removing the salt from sea water to make it fresh) however it has been used to purify things for the medical (dialysis), domestic and industrial (food industry, car washes, water plants) settings since the early 1970's.
In terms of drinking water purification, many homes use reverse osmosis systems as a common step for improving water for drinking, cooking and showering. This type of RO system includes several steps used to get water prepared for use. These included:
A trapping device (sediment filter) for removing rust and calcium carbonate
A secondary sediment filter with a finer openings
An activated carbon filter used to remove volatile and soluble organic chemicals along with chlorine which can breakdown the RO membranes
A RO filter/membrane
Sometimes an optional second carbon filter and finally
An ultra-violet lamp
This seemed like quite a few steps and rather expensive sounding too. Also, when I took the time to actually look at what else got removed with the toxins and sediment, I wasn't very impressed. Valuable minerals were removed from the water as well and I knew this was quite important to keep my body at a healthy balance. I didn't want my body becoming acidic or trying to strip minerals from other parts of the body such as teeth and bones. Plus, I would like to keep my organs for a long time to come and acidic water just isn't conducive to those conditions.
Some other disadvantages to a RO filtration for residential conditions were for every 5 gallons of usable water it would flush anywhere from 8-10 gallons that might get captured for watering the garden. It just seemed sort of wasteful if you ask me.
In conclusion, after much debate on my own part I decided to get rid of the reverse osmosis water system in my home. The disadvantages seemed to outweigh the positives, so in the end I selected a reasonably priced, multi-stage filtration system that included carbon, sub-micron filtering and ion exchange. I found did a much more thorough job in ridding the water in my home of nearly 99% of bacteria, viruses, germs, sediment, chemicals, drugs and anything else I could think of that could possibly come out of the faucets. So do yourself a favor, if health and longevity is paramount to you as well, compare and learn the same facts I did.
06:40 | ป้ายกำกับ: osmosis, reverse, systems, Uncover | 0 Comments
3 Need to Know Truths About Residential Reverse Osmosis Systems
When it comes to reverse osmosis systems residential homeowners are often interested in learning more, as people are beginning to understand the risks associated with drinking tap water. While reverse osmosis filters are considerably better than drinking from the tap, there are facts every potential buyer should know before purchasing a reverse osmosis system. I will outline the top three most important facts in the following paragraphs to help you make a more educated decision when it comes to providing clean, safe water for your home.
Truth #1: Reverse Osmosis Removes A Lot From Your Water
This sounds like a good truth, and to some degree it is, but reverse osmosis also removes naturally occurring minerals from your water, such as magnesium, that your body relies on to maintain good health. Nowhere in nature will you find a naturally occurring source mineral-free. This is because living things need these minerals and have come to expect them within the water they drink. R.O. removes a number of chemicals and contaminants, and these systems also have a carbon filter to remove chemicals not eliminated through R.O., but the cost is the loss of naturally occurring and necessary minerals.
Truth #2: Reverse Osmosis is Inefficient
While residential reverse osmosis systems provide you with water that is far superior in quality to tap, the way that you obtain this is at best a very inefficient process. For every gallon of viable water produced by R.O, two to three gallons are disposed of. In addition, the average R.O. system takes an hour to produce a gallon or less in the storage tank. This is far from environmentally friendly, and is economically wasteful as well.
Truth #3: Reverse Osmosis is Expensive
R.O. systems whether residential or otherwise are simply not cost effective. Without taking into account the cost of such a system, which seems worthwhile when considering the benefits of safer water, the cost to produce clean water with these units is simply expensive. For every gallon produced by these units, the owner can expect to pay on average about twenty to twenty-five cents. While far cheaper than bottled water, there are more effective, cost-efficient, and beneficial systems on the market.
Summary: Reverse Osmosis is Better Than Tap, but Not Your Best Option
There are filtering systems available now called multi-stage water filtering systems. Available to install on countertops, under counters, and even in showers, these systems use the most effective methods to remove all contaminants while leaving in valuable minerals. In addition, these units are relatively inexpensive to purchase and produce at less than ten cents per gallon. While residential R.O. systems were for a time the best option on the market, the fact remains that they are no longer the safest or best way to obtain quality drinking water. With new technology on the market to provide you with truly high-quality water, you owe it to your entire household to look into these new systems and see for yourself how good truly clean water can be.
17:40 | ป้ายกำกับ: osmosis, Residential, reverse, systems, Truths | 0 Comments
Reverse Osmosis Purifier Vs Ionization? Healthy Water Or Waste of Money
If drinking water safety is of paramount importance to you then recent headlines such as "Drugs Found In Drinking Water" and "EPA Won't Remove Rocket Fuel From Drinking Water" must have been deeply troubling to you. With a myriad of water filtration systems on the market designed to rid your drinking water of dangerous contaminants, it cannot be easy to choose a suitable filter.
Of the many choices of water filtration devices, two that have been the subject of much public debate is reverse osmosis purifier vs ionization. Actually to compare the two is sort of unfair. Reverse osmosis water filters are used to rid tap water of contaminants whereas water ionizers are suppose to make your drinking water alkaline which supposedly has beneficial health properties.
Essentially, people who are looking to rid contaminants from their tap water won't buy an ionizer; they would more likely buy a reverse osmosis filter. So the question of reverse osmosis purifier vs ionization really boils down to which water is the healthiest choice.
One school of thought is that ionized water is healthier because it is less acidic that reverse osmosis treated water. The incidence of cancer and other diseases is said to higher in an acidic body. Drinking ionized water regularly neutralizes free radicals making disease less likely.
There are many in the scientific community that thinks that water ionizers are a waste of money, not only because some don't work as they are supposed to but also because the science behind them is faulty. Not to mention the fact that they can be very expensive. Others however, swear by them.
Another school of thought is that reverse osmosis treated water removes a lot of the contaminants from our tap water, contaminants that are of an immediate concern. These contaminants can over time can badly affect our health, leading to diseases such as cancer, Alzheimer's and problems of the reproductive system.
Experts who subscribe to this school of thought believe that with a proper diet, exercise and supplementation, there is no need to drink ionized water. But, there is a need to drink water that is free from contaminants.
So reverse osmosis purifier vs ionization, which would you choose? It is really down to your priorities and indeed your pocket.
If drinking water safety is of a more serious concern to you, get a reverse osmosis purifier or any of the other filtration units on the market. However, if you feel that the alkalinity of your tap water is of greater importance to your health, you may want to try a water ionizer.
12:20 | ป้ายกำกับ: healthy, ionization, osmosis, Purifier, reverse | 0 Comments
A Reverse Osmosis Water Treatment System - Why Even a Good One Will Make Your Tap Water Unsafe
When you read the advertising hype you'd think that a reverse osmosis water treatment system was a good way to make your tap water pure.
Unfortunately, nothing could be further from the truth.
I remember the first time I stumbled across the facts about reverse osmosis water treatment systems. It was a real eye-opener.
For one thing a reverse osmosis water treatment system can't remove lead or chlorine. Yet these two dangerous compounds are common in municipal water supplies.
If the pipes in your city or town are older than, say 35 years, then there is almost certainly going to be lead in some of the pipes and many of the soldered joints. That lead will be steadily dissolving into the water and gushing out of your taps. And lead can gravely affect our health. It can raise blood pressure, make it difficult for your blood to transport oxygen, heighten certain breathing problems if its in fumes, seems to affect the behavior of young children, and is linked to osteoporosis in older people as it slows down calcium absorption. In other words, it is not good to have lead in your tap water.
Chlorine is just as common, because federal water safety regulations allow municipal water authorities to pour it into community pipes as a sort of catch-all that will kill any harmful bacteria or other contaminants that the treatment plant was not able to block. Your water officials will be careful not to put too much chlorine into your tap water, but even traces are harmful.
And there's another problem. A reverse osmosis water treatment system is wasteful. For every one gallon of water that goes through, the unit produces five gallons of dirty water. That is environmental profligacy.
What's more, the membranes that do the filtering in a reverse osmosis water treatment system are easily damaged. They're delicate. You can rip them if you're not careful. And unless you buy one made to high standards you are likely to find your filter membrane has defects.
Most significantly, however, a reverse osmosis water treatment system gets rid of all the natural, healthy minerals in water.
This is bad, to the point of being dangerous because our body needs the calcium, magnesium and so on that are brought to us in the course of normal living by water. These essential minerals are dissolved, deep under the earth, and slowly come to the surface as water rises and then go into the water supplies we draw our drinking water from. As you drink good quality water you get your body's supplies of these minerals replenished. If you don't get them you fall sick.
But a reverse osmosis water treatment system blocks them. Instead of delivering healthy water these systems give you sterile water. Empty and unhealthy water. This is alright in the huge commercial desalination plants on the edge of Middle Eastern deserts where reverse osmosis water treatment technology was first developed and is widely used today. Farmers don't mind if their plants are not getting the essential trace minerals humans need. But you want water that is mineral-rich.
So use the Internet and find alternative systems that giver you healthy water, free of contaminant but full of those essential minerals you body depends on. If you need a web site to begin at, go to mine. It has useful information that will help you find effective, moderately priced home pure water technologies so you don't have to buy a reverse osmosis water treatment system.
So do some homework. Look around the Internet for alternative water purification systems designed for homes that take out contaminants before you drink them, but leave in the minerals your body must have. If you'd like a place to begin that homework, you're welcome to go to my web site. It's got lots of useful information about household filters that safer than a reverse osmosis water purification unit.
The Disadvantages of Reverse Osmosis Water Purification Systems
By now, most of us have probably heard that we should all be drinking a lot of water to maintain our bodily systems and stay healthy, and by concerns of the true quality of bottled water, we are heeding the call.
In today's society, most of us are becoming more concerned about, and aware of, ways to improve our overall health, and water is definitely right up there at the top of the list of concerns.
Not only should we be concerned about how much water we are ingesting, however. We should also be concerned about the quality of that water. As such, may of us are choosing to learn more about water purification and filtering to ensure that the water we drink, cook with, and bathe in is pure and clean.
There are many systems out there, one of which is the reverse osmosis type, which claims to be the best on the market, but there are distinct disadvantages of reverse osmosis (also referred to as ro).
If you are like most of us, cost is a consideration for just about everything, and water purification is no exception. ro systems are incredibly expensive. They are priced in the thousands of dollars, which is one of the biggest disadvantages for most people. They are simply not affordable.
Okay, let's assume that price does not really matter, and tend to the question: Does it make water safe to drink? Well, despite the overwhelming popularity of these systems and the claims made by manufacturers, the answer to that question is no, not really.
These systems are really designed to remove anything that is heavier than the water itself. What is heavier than water? Dirt. So, it's great at removing dirt from the water. The problem is, very few people have water with dirt in it coming out of their kitchen faucets, so what good is that? For most people, the ability to remove sand or dirt is not at all useful.
What else is heavier than water? Lots of minerals are heavier than water. Wait a minute! Minerals? Aren't we supposed to be getting minerals? Yes, our bodies need minerals; in fact, most of us take a daily vitamin and mineral supplement. We actually pay money to add minerals into our diets, and reverse osmosis manufacturers would have us pay thousands of dollars to remove minerals from the water we drink? That defies logic.
What about chlorine, that chemical that bleaches out our swimsuits when we swim in the pool and leaves our water tasting nasty and smelling worse? Does reverse osmosis eliminate chlorine? Well, to be sure, our municipal water treatment plants have been using chlorine for decades, and chlorine is known to kill bacteria; however, chlorine is not natural and not pleasant to drink.
Unfortunately, chlorine remains behind, which is another of the disadvantages of reverse osmosis water systems. Overall, ro systems are too expensive and too ineffective.
Getting cleaner, purer, safer water into our bodies is a top priority and, with a little research, there are better choices for you and your family.
09:40 | ป้ายกำกับ: disadvantages, osmosis, purification, reverse, systems | 0 Comments
E-Z Reverse Osmosis Water Dispenser Guide
If you're at all interested in your health, you've probably thought about buying a reverse osmosis water dispenser. After all, of the many technologies used to filter water, reverse osmosis is one of the best known. Although, it works well, it may not be the best type of water filter for you to buy. Reverse osmosis water filtering systems have a big flaw when used to filter drinking water. Let's find out what it is!
First off, I hope you realize the need to filter your water. If not, let's go over a few facts. Our nation's water systems are horribly compromised! Studies have been done recently that have found everything in our water from pesticides to prescription drugs. Ralph Nader's group did a study which found over 2,000 known carcinogens in our water systems. Since bottled water is potentially just as polluted as our municipal and well water, your only alternative is to filter your water at home.
There are several ways to do this. You can buy a whole house water filter, a filter for a single faucet, or a water dispenser, which also filters the water. If you're thinking of the latter, then I'm sure you've considered buying a reverse osmosis water dispenser.
Reverse osmosis works by pressuring the water through a membrane. The clean water ends up on the other side of the membrane. The problem with reverse osmosis water filtering systems is it filters out absolutely everything from the water.
But you actually don't want everything filtered out!
Pure water is supposed to contain naturally occurring trace minerals like potassium, calcium, and magnesium. Without these trace minerals in our diet and in what we drink, our health suffers. So, if you're using a reverse osmosis water dispenser, you could be affecting your long term health. Scientists don't actually know what the long term consequences of drinking demineralized water is, but there's a lot of evidence that it can seriously compromise many of your body's systems.
Instead of reverse osmosis water filtering systems, you need to be thinking about other water filtering technologies that work just as well, but which leave in those very important trace minerals.
Many of the best water filters use two-step systems with carbon or ceramic filters. One step filters out the organic impurities while the other filters out the inorganic impurities. By using a two-step system you can get out all the bad stuff while leaving in the trace minerals.
01:40 | ป้ายกำกับ: dispenser, osmosis, reverse | 0 Comments
Three Disadvantages of Reverse Osmosis
The disadvantages of reverse osmosis come into play only in the residential sector. That is because the system was designed originally for commercial use. It was then converted for residential purposes and did not meet the requirements that most of us seek.
Does reverse osmosis make water safe to drink? That is a question that has been debated for decades. First we have to define "safe water to drink". Then we can determine whether reverse osmosis provides safe water.
It is a given that if what we drink to quench our thirst is pure, it would be good for us. But, if it contains contaminants, obviously, it is not. To find the disadvantages of reverse osmosis, we have to study the facts and determine if it really does what it is supposed to do, or it is a lot of hype. You have already seen the hype, here are the facts.
First of all, the system wastes about 4 gallons of water for every one that it filters. That is a lot of wastage and in this day, with all the shortages, we cannot afford that.
Secondly it takes too much time. To filter 1 gallon takes about 3 or 4 hours. This is a huge waste of time.
Thirdly reverse osmosis does not block pesticides, herbicides or other chemical contaminants. Does reverse osmosis make water safe to drink? No, because if chemicals are left behind, how can it be considered safe?
Another of the disadvantages of reverse osmosis is price. We find that it is one of the most expensive systems on the market. They start at $10,000, and that does not include what the plumber and electrician will charge you for installation.
When you add everything up, there is only one conclusion. To answer the question, does reverse osmosis make water safe to drink? We would have to say no. It is not a complete system. Other steps, disinfection and carbon filtration, for example must be added. If you have public water, then it is already disinfected, so all you really need is a good carbon filtration system.
If you have well water, you probably do not need reverse osmosis. If your water comes straight from a lake or river, you probably do. But you need a complete system. So you need both disinfection and carbon filtration.
That's not even the last of the disadvantages of reverse osmosis. You thought we were finished? The process removes nearly all of the health giving minerals that water naturally provides.
Does reverse osmosis make water safe to drink? Clearly, as a stand alone system, reverse osmosis is not a good residential application. It is easy to be fooled by the hype. But when you know about the disadvantages of reverse osmosis, you can make a better informed decision about a safe water home purification system.
01:00 | ป้ายกำกับ: disadvantages, osmosis, reverse | 0 Comments
Do You Know the Disadvantages of Reverse Osmosis?
It is certainly a very good idea to invest in some sort of water filtration system for your home, but there are just too many disadvantages to reverse osmosis to make a system using this process a good one to go for.
The ordinary tap water piped into your home has way too many pollutants and contaminants in it to make a good long-term source of drinking water for you and your family. It is certainly a fact that a reverse osmosis water filter will get rid of a significant proportion of these health-damaging impurities. But, the problem with reverse osmosis is that it also removes health-benefiting minerals at the same time.
So how do we know that water that has had its minerals removed from it is bad for you? Well, one of the key indicators is that naturally-occurring water is generally full of minerals which strongly suggests that nature is saying that mineralised water is more conducive to healthy life than water without.
Not everyone is in total agreement that removing just about all of the mineral content from the water you drink is necessarily a bad thing. But, what is not in doubt is that you must supply your body with a comprehensive collection of minerals to maintain optimum health. Given this fact, it surely makes sense that you should be providing at least some of those minerals via the water that you drink on a daily basis.
Does reverse osmosis make water safe to drink? Unfortunately the only honest answer that can be given to this question is no. Mainly because the reverse osmosis process doesn't fully remove a lot of the synthetic chemicals that are all too common in tap water.
Are there other disadvantages to reverse osmosis? Well, because of its very strong filtering abilities, it leads to the wasting of a lot of water - because a significant volume of water is discarded along with the filtered impurities. This waste of water is not particularly good for the environment and can lead to you paying higher water bills.
There is another more minor disadvantage that you'll have to make your own mind up about in terms of how important it is to you personally. That disadvantage is that some of the external individual filters can be bulky and unsightly-looking.
More and more people are coming to the correct solution that it is a very good idea from a health benefit perspective to install some form of water filtration system. But, despite this fact, there are just too many disadvantages of reverse osmosis for this system to be your water filtration system of choice.
20:20 | ป้ายกำกับ: disadvantages, osmosis, reverse | 0 Comments
What is a Reverse Osmosis Water Dispenser and Do I Need One?
With all the knowledge we now have about the quality of our drinking water and the host of chemicals and contaminants present in our supply, it is of no surprise that many consumers are seeking quality water filtration devices.
Many people purchase a reverse osmosis water dispenser for their home in an effort to achieve clean and healthy drinking supply. It is important for consumers to know a thing or two about such systems.
When you use one it will remove contaminants including dissolved solids and dangerous chemicals like arsenic. They clean drinking water by forcing it through a semi-permeable membrane. When it is forced through, the contaminants cannot pass through the filter with the water because they are too large.
Although these systems remove the majority of contaminants from drinking supply they do have many drawbacks. For starters, they are typically very large and take up a lot of the cabinet space under your sink once they are installed. There are many other filtration methods that use smaller devices.
Reverse osmosis water dispensers are also extremely wasteful. During the purification process they waste more water than they actually purify. In general, the average dispenser wastes around 3 to 5 gallons of water for every 1 gallon of filtered water it provides filtered. Plus, they are extremely slow and often are unable to keep up with demand.
Possibly the most important thing to note is the fact that it removes the healthy minerals. Water is filled with essential, naturally occurring minerals that are vital for human health. Reverse filtering systems remove these healthy, naturally occurring minerals during the filtration process.
The fact is, there are numerous other types of home installed devices that filter more efficiently. It is important to use something that removes the unhealthy contaminants in drinking water but leaves the healthy minerals intact. Too many such systems leave drinking water tasteless and flat without the minerals that make this precious liquid so healthy for human consumption. Therefore the conclusion we must reach is that the technology they use is outdated and inefficient.
19:40 | ป้ายกำกับ: dispenser, osmosis, reverse | 0 Comments