Why End Home RO Water Filtration?
Posted by admin in environment on 02 2nd, 2010Reverse osmosis, or RO water filtration, was originally used in desalination plants, where salt is removed from sea water to create usable water. RO filters do a decent job there. Reverse osmosis treatment is also used in the printing industry. RO systems are extremely efficient at removing minerals from water, and they are highly valued in the water purification process for the printing industry, as water that is free of minerals must be used.
How do reverse osmosis water filter systems work and what does it do to water? It is used to remove large particles of dirt and minerals from water sources. RO can remove sand, minerals and stones as well as salt. For the most part, all groundwater contains some form of contaminants that are unhealthy for humans to ingest. What makes it difficult to grasp is that some of the contaminants cannot be smelled or tasted.
Now that you know what reverse osmosis filters do, let’s look at what these filters do not do. On the flip side, reverse osmosis has a laundry list of what it does not do. It does not remove chemicals or disinfect water. Although RO may be one step in a complete process, it should never be the only step if drinking water is to be made safe for human consumption.
Although some companies sell RO water filtration systems for use in the home, they are very expensive and do not provide a satisfactory amount of contaminant filtering. The only homes that truly need RO water filtration are those whose only water option is sea water. So this does supply some demand for reverse osmosis devices, but for most people, they are truly unnecessary.
What the RO water filter systems do not do is remove chlorine. Generally, chlorine removal is pretty much the biggest reason why most of us need water filtration in the first place. This is because RO filters cannot block anything that is lighter than water. This includes a lot of pesticides and herbicides; they are lighter than water and therefore are left behind by reverse osmosis filtration.
Another problem with reverse osmosis filtration is waster water. In this day and age of water being in short supply, reverse osmosis filtering wastes from three to five gallons of water for every one gallon of water that is cleaned. That is a dismal and inefficient record for sure.
Humans need the trace minerals that are in tap water. Not only do those minerals benefit health, the water tastes fresher with them. You will not find naturally occurring de-mineralized water anywhere on the Earth. The truth is that in areas where people are the healthiest and most robust, the water is naturally balanced with trace minerals to include magnesium, potassium, sodium, calcium and others. RO water filtration was not meant to be the perfect solution for water contamination.
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read comments (0)Story Behind the Downside of RO Water Filters
Posted by admin in environment on 02 2nd, 2010Before other technological advances occurred, reverse osmosis or RO water filters were the only system that would remove cyst contamination. The smaller and more economical reverse osmosis water system was primarily designed for individuals who were concerned with this. Today however, there is sub-micron filtration that is very similar to reverse osmosis in that it removes cysts and other contaminants bigger than a micron, but the system creates no wastewater and is less expensive. With a reverse osmosis water filtration system, it must be located near a drain.
RO water filters even take away the good taste of water, leaving it flat and unappealing. This is normally caused by high acid and low pH levels in water. Each gallon that is purified wastes three to four gallons of water. When the alkaline water turns to highly acidic water, it causes minerals to be pulled from teeth and bones. Not only that, but RO has also been known to increase the risk of developing cancer, since free radicals are produced during the process.
Sometimes home reverse osmosis water filtration systems are accompanied by an added carbon filtration device. Carbon effectively removes most of the chemicals that reverse osmosis cannot. But again, still other filters are necessary to remove all of the unwanted particles. For example, chlorine byproducts can only be removed through adsorption since the chemicals are gaseous. They actually just pass right through a reverse osmosis water dispenser.
Another downside is that reverse osmosis filtration systems take up a large amount of space, as the larger units seem to be the most effective. They use electricity and require extensive maintenance. The membranes can become contaminated with algae and bacteria. In order to kill the bacteria and algae, chlorine is used, but it can damage the membrane, and replacement membranes are expensive. Hiring someone to install the system is expensive, as well as the power and water it uses. There is just no advantage to installing a reverse osmosis water system with today’s technological betterments.
Now that you have more information on RO water filters, you can avoid spending valuable time and money on a filtration system that will not enhance your quality of life, and in some cases, actually harm you. It is best to use a multi-stage filtering system that removes sediments you don’t need and leaves those minerals that you do need. The best filtering system for homeowners is one that contains multiple filters and steps to remove the largest amount of contaminants. These types of all-inclusive systems are relatively inexpensive and can be installed on top of or under a kitchen counter, in the bathroom or as a whole house system.
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Filtered Water Is Always Better
Posted by admin in environment on 02 2nd, 2010In the home, a water filter is your best solution to rid your water of contaminants while preserving the vital minerals you actually need. If you own a home, it is a given that a filtered water system should be present. Make it a priority investment if it is not. When correctly installed and vigilantly maintained, a water filtering system can deliver clean and healthy water from your tap to your glass and ultimately to you. You and your family will enjoy healthier living now and in the future. Available in a wide variety of applications, home water filter systems are an inexpensive way to ensure that your family is safe from contaminants.
The use of water filtration systems prevents toxic substances such as cysts, bacteria and chlorine from entering the body or reproducing inside the body; thus reducing the risk of becoming ill from contaminants. The microorganisms and other pathogens that cause waterborne infections are kept to a minimum.
Some home filters have solid yet permeable blocks that are made from carbon. The carbon element selectively clears some of the toxic substances like bacteria that are found in drinking water. The carbon block keeps the natural pH of water and does not filter useful minerals that are required in healthy water. Water filters have even been medically certified in reducing the chances of cancers of the colon, bladder and rectum. This is because the byproduct of chlorine that is commonly used to treat water is a known carcinogen.
A popular home style of filter is the model that attaches to the faucet. It is affixed to the faucets of the home and filters all water as it is dispensed. This is an extremely handy model and helps ensure that the water you drink and cook with is filtered. However, the kitchen isn’t the only place where you will want pure water in your home. Filtered water systems are available for the bathroom, and anywhere brushing your teeth or using the shower could expose you to unfiltered and contaminated water.
Of course it is a personal choice to drink filtered water, but the positive results of consumption of healthy water weigh heavily. Contaminated water can sometimes cause people to seek medical attention for waterborne diseases, such as dysentery and bilharziasis (a parasitic disease related to drinking water contaminated with fluke). Avoiding infection is a much wiser route than seeking treatment for such diseases. As they say, prevention is much better than the cure.
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The Best Water Filters Out The Market
Posted by admin in environment on 02 1st, 2010Cheap water filters do very little to purify drinking water. About the only thing they are good for is costing consumers a lot of extra money when purchasing replacement filters. Yet a high quality filter will give the owner years of service, thus saving money. Generally, if it costs less than a couple hundred dollars, then put it back on the shelf. Let’s take a look at a few simple steps to take when buying the best water filters to ensure that they will be cost efficient, highly effective and last for years to come.
The first step is to decide what you want to accomplish with a water filtration; do you want to reduce chlorine, stop bacterial growth and cysts, or would you like to deal with a wide range of organic and chemical contaminants all at the same time? The best water filters can do all of these things at one time. You should also consider whether or not you want to remove the healthy minerals from your water, such as calcium and magnesium.
If you take a look at loose carbon filters, you will discover that they are actually bacteria factories. They allow oxygen to exist within the filter, which encourages and enhances the growth of bacteria. Although this type of filter is very cheap to purchase, it is expensive in the long run, since the filters must be replaced frequently.
Distillation is effective when filtering bacteria, solids, sediments and organic or chemical contaminants that will not evaporate. There are some chemical contaminants, such as MTBE, that will evaporate, so distillation is not effective in filtering that.
Ultraviolet (UV) light is sometimes used in conjunction with other filters to kill bacteria, and has been found to be a very effective tool. The light affects an organism’s DNA, so it cannot replicate. If it cannot replicate, it is harmless.
Reverse osmosis (RO) is a filter which reduces fluoride, radium and numerous other contaminants to a very high degree, although it does have its limitations. There are a large number of contaminants found in water that will easily pass through an RO filter. Reverse osmosis is also used in conjunction with other filters to be very effective, though the process does remove the healthy minerals as well. RO by itself is capable of reducing contaminants such as radium, arsenic, barium lead, nitrates and nitrites, as well as giardia and selenium that are found in tap water.
The best water filters tend to have a long life capacity, and that is what saves money. Be on the lookout for a water filter that has a capacity rating of six months or longer, and understand that this number is an estimate. The actual lifespan of the filter depends on the quality of your water. If your water has a lot of contaminants to filter, then your unit will clog sooner.
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The Small But Appealling Brita 42558 Aqualux Water Pitcher
Posted by admin in environment on 01 31st, 2010When it comes to water filtration systems you do have quite a lot of choice. You can go with a complete system that hooks into your main water supply. You can opt for a faucet mounted system or you can go with a pitcher filtration system. All have their advantages and all have their disadvantages. By far the most popular type is the pitcher water filtration system such as the Brita 42558 Aqualux Water Pitcher. It is handy. It is portable and it is not that expensive.
Brita has built a name on water filtration products and water accessories, such as faucets in general. So you know that you can trust them. The Brita 42558 Aqualux Water Pitcher is one of there best selling water filtration systems. You can easily find it for around .00 and you do not have to search high and low to find it. You can find it online or go into your local Wal-Mart, Target or Home Depot and purchase it there.
The Brita Aqualux Water Pitcher filters out many of the common impurities that you find in ordinary tap water, such as zinc, mercury, copper and lead. You wind up with clear, clean and fresh tasting water without having to deal with plastic bottles. It does make this option definitely attractive and more cost effective in the long run. But there are some disadvantages that you need to be aware of before you purchase this pitcher.
The Brita Aqualux Water Pitcher only holds 48 ounces. That is about six, 8 ounce glasses. So if you drink the recommended amount of water per day, you are going to be filling it up more often. There are other pitcher filtration systems that hold more water. So you have to keep this in mind when you are looking for one because if you intend to use purified water for cooking and for the whole family’s needs, then you may wind up replacing the filters faster than normal.
All water filtration systems have pros and cons. The Brita 42558 Aqualux Water Pitcher definitely does have a major con with its small capacity. But for people who live alone and are the only ones drinking the filtered water, then this is really not a major factor. The upside of its small capacity means that it can easily be stored in your refrigerator. Just make sure to keep refilling it and it will work out fine for your personal needs.
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AWho Wants A Cheap Water Filter System?
Posted by admin in environment on 01 31st, 2010If you are considering buying a water filter system, then you may be willing to forego quality in order to secure a cheaper price, but in the long run, as we will see, a cheaper price adds up to a bigger investment than you can imagine. Not one single type of water filter gets rid of every contaminant that is floating around in your water system. It takes a good quality device to filter out the microbes, heavy metals and other toxins. Investing in an effective water filter is investing in your health now as well as in the future.
Among water filters, reverse osmosis is the most expensive choice for home use. RO filters are used in large industrial applications as well as in public facilities. In certain home applications, reverse osmosis filters are the right choice, but for the most part, the price and lack of filtration of certain contaminants means you are better off choosing another filtration method. The best application for RO systems is desalination, which is the process of removing salt from water.
The more reasonably priced, reverse osmosis water filter type of system tops out in price at around 0. They generally include some form of micron filter combined with carbon filtration, RO and some sort of filter to balance pH levels and mineral content. You can get other water filter system devices that are the same quality or better than reverse osmosis for less than 0. The big difference is the mark-up by certain reverse osmosis distributors.
Many harmful contaminants, such as trihalomethanes and volatile organic chemicals, which have also been linked to cancer, are not blocked by the cheaper models. In some cases, lead, which is toxic, is not removed. Lead contamination is a big problem for many cities, not because the city water treatment facility isn’t doing the job, but because the pipes that run into homes are old and contaminated.
Bacterial cysts are another type of contaminant that a cheaper drinking water filters typically cannot remove. They cause parasitic infections in the gastrointestinal tract and have been know to cause serious health problems and even death in the elderly, children and people with compromised immune systems.
Your ultimate goal is to get good, clean water for drinking, free of contaminants; that is all that most people want. You will actually see those words on almost every filter system available, because marketers know that is what you want to see. If possible, try to ignore the advertising hype you see and look at the facts. Reputable companies should provide product performance data for their own systems.
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Choosing A Water Filter
Posted by admin in environment on 01 31st, 2010Many people do not realize just what is in the water that flows readily from their taps, and finding out can be shocking. A few of the ingredients include cysts, viruses, bacteria, uranium, radium, arsenic, fluoride and chromium. Another scary fact is that one of the most prevalent ingredients in tap water is actually dissolved toilet tissue. Yikes, no wonder people flock to the store to buy bottled water. For a cheaper alternative, let’s take a look at how a water filter might be more useful.
Some reasons why tap water is contaminated include improperly disposing everyday items such as paint, cleaning solvents and motor oil into sewer systems. This becomes industrial waste, and the problem seems to be occurring everyday, as you read about accidental leaks or large companies using illegal methods to dispose of toxic waste. It seems that using a good water filter is essential.
Companies that are murky on the specifics of their product should be avoided. If you call them regarding the details, you may learn that what they are offering is not a water purifier at all, but merely a filtering system that blocks some chlorine and eliminates odor. The company’s data sheets should include information about how effectively each contaminant will be addressed and removed. There are drinking water filtering systems that will remove all of them, but you have to be a smart shopper to find them.
Another great way to tell if the filter you are considering is effective is if it is not sold in specific states. There is always a good reason why this is so. In states such as Wisconsin, California and Massachusetts, companies are required by law to have their products certified by independent laboratories. During the certification process, claims must be verified before the product can be sold. It is then obvious that companies who provide inferior systems will avoid the states with regulations.
For those companies that have excellent water quality performance records, California also provides a department of health certification. To receive this certificate, extensive testing is required. If you see that a company has the certification, you can rest assured that you have found a quality, home water filter product that will work as it should.
Many people would like to start using some type of water filter, but don’t really know where to begin. There are many brands and types available. Yet don’t believe that the most expensive models are the best, as that is not always the case. The same philosophy goes for the cheapest units as well. Though some water filters are cheap and tend to do a good job, they require expensive replacement cartridges, which can end up costing you more in the long run than purchasing a higher priced filter.
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What Is RO Water System Is Right For You?
Posted by admin in environment on 01 31st, 2010A reverse osmosis water filter, or RO water system, can be an effective filtration device. The process uses pressure to force water through a membrane that retains contaminants on one side of the filter and allows the treated water to pass through to the other side. This process is more widely known for removing salt from sea water to get fresh water, also called desalination. RO is also used to purify fresh water for medical and industrial processes. Let’s take a closer look at the stages of RO filtration to give you an idea of whether it is right for your home.
A sediment pre-filter is used to extract larger contaminants like dirt, sand, dust, grit and rust particles from the water when present. An optional secondary carbon pre-filter is used to extract most of the organic chemicals and chlorine; providing enhanced taste and reduction of odor while helping to protect the reverse osmosis membrane, which can be vulnerable to chlorine.
A RO membrane is normally made from a thin film composite. An optional carbon post-filter is used to capture any chemicals that are still present. This step also helps guard against any tainting which might occur within the device’s water storage tank. Another option, an ultraviolet light (UV-C), is incorporated into the process to disinfect the water of any organisms that may have escaped the reverse osmosis membrane.
A RO water system tends to remove important trace minerals while filtering, leaving the water tasteless and strangely flat. More important, however, is that natural water contains trace minerals, and dissolved trace minerals in drinking water are actually a valuable source of calcium, magnesium and other nutrients. There are other, less expensive types of systems that can do a great job of purifying water for drinking purposes, and yet still leave the trace minerals intact.
A reverse osmosis water treatment system must occasionally be sanitized with chlorine, a chemical that is highly undesirable and which in many cases is filtered out by other systems. Though chlorine is nearly universally used by city and municipal water systems, it has been shown to cause cancer. Using it to clean the filter that you will use to filter out such things seems to be counter intuitive.
You may be wondering what contaminants an RO water system actually removes. According to manufacturers of the RO water system, the following contaminates are removed at least partially from household water supplies. These are aluminum, bacteria, ammonium, potassium, boron, silica, nickel, nitrate, phosphate, silver, sodium and zinc, to name a few. There is no water filtering system that can guarantee one hundred percent removal of all contaminants.
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Is The RO Water System Right For You?
Posted by admin in environment on 01 31st, 2010A reverse osmosis water filter, or RO water system, can be an effective filtration device. The process uses pressure to force water through a membrane that retains contaminants on one side of the filter and allows the treated water to pass through to the other side. This process is more widely known for removing salt from sea water to get fresh water, also called desalination. RO is also used to purify fresh water for medical and industrial processes. Let’s take a closer look at the stages of RO filtration to give you an idea of whether it is right for your home.
A sediment pre-filter is used to extract larger contaminants like dirt, sand, dust, grit and rust particles from the water when present. An optional secondary carbon pre-filter is used to extract most of the organic chemicals and chlorine; providing enhanced taste and reduction of odor while helping to protect the reverse osmosis membrane, which can be vulnerable to chlorine.
A RO membrane is normally made from a thin film composite. An optional carbon post-filter is used to capture any chemicals that are still present. This step also helps guard against any tainting which might occur within the device’s water storage tank. Another option, an ultraviolet light (UV-C), is incorporated into the process to disinfect the water of any organisms that may have escaped the reverse osmosis membrane.
A RO water system can be extremely wasteful because for every gallon of water purified, three to four gallons are wasted in the process. And they are extremely slow. If you require a large supply of drinking water, then an RO water filter can never keep up. The tank generally holds one to two gallons of filtered water. Once you have used what is in the tank, you will more than likely be out of filtered water until the following morning.
A reverse osmosis water treatment system must occasionally be sanitized with chlorine, a chemical that is highly undesirable and which in many cases is filtered out by other systems. Though chlorine is nearly universally used by city and municipal water systems, it has been shown to cause cancer. Using it to clean the filter that you will use to filter out such things seems to be counter intuitive.
What types of contaminants does a RO water system filter? The contaminants it does filter include mercury, bromide, cadmium, chlorine, calcium, chloride, chromate, copper, cyanide, fluoride, iron, lead, magnesium, manganese and sulphate, to name a few. For all these many reasons, reverse osmosis water filtration systems are rarely your best or only choice for purifying water. There are other highly effective filtering systems without nearly as many drawbacks.
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