Bad Home Water Filters And How To Avoid Them
July 12, 2009 by admin
Filed under Water Filters
Ray Hamilton asked:
Home water filters are fast becoming a necessity these days with studies showing we have over 2000 toxic chemical s coming out of our faucets. However picking the wrong system could have serious implications for your health, so here are some tips on avoiding that.
How do water filters work is one good question to help weed out the bad performers. You may have heard of reverse osmosis systems, which have a very fine filter to strain out the toxins, but these home water filters are really only effective at removing chlorine and some other dangerous particles.
The other problem is that they also strip out essential minerals like magnesium and potassium, which according to the World Health Organization, we need to be present in our drinking water.
Another type is distillation, though not very popular now, as it results in the same demineralized water you get from the RO products.
The best technology available today, and recommended by the US EPA, is carbon filtration. In answer to the question of how do water filters work, the dangerous contaminants are bound to the filter physically or chemically, and the vitals minerals are left in, as they should be.
High quality home water filters also use twin or dual filtration, and ion exchange to remove 99% of all known contaminants, and these are generally much cheaper than the RO type of product.
All these systems are available as countertop, under counter or whole house products depending on your needs. Some even have shower filters as we can absorb more toxins when we shower than when we drink as our pores are open to the toxic vapors.
If you apply these simple steps along with due diligence, you will find excellent home water filters are available at a price to suit you, but more importantly, that they will protect you from the potential health risks that await if you don\’t use them.
So in closing, I hope I have helped to answer your question of how do water filters work, and you feel more confident now in selecting the right product.
Visit my website today to learn more about the systems I recommend after my own extensive research.
DIY Solar for Your Home? Read More
Home water filters are fast becoming a necessity these days with studies showing we have over 2000 toxic chemical s coming out of our faucets. However picking the wrong system could have serious implications for your health, so here are some tips on avoiding that.
How do water filters work is one good question to help weed out the bad performers. You may have heard of reverse osmosis systems, which have a very fine filter to strain out the toxins, but these home water filters are really only effective at removing chlorine and some other dangerous particles.
The other problem is that they also strip out essential minerals like magnesium and potassium, which according to the World Health Organization, we need to be present in our drinking water.
Another type is distillation, though not very popular now, as it results in the same demineralized water you get from the RO products.
The best technology available today, and recommended by the US EPA, is carbon filtration. In answer to the question of how do water filters work, the dangerous contaminants are bound to the filter physically or chemically, and the vitals minerals are left in, as they should be.
High quality home water filters also use twin or dual filtration, and ion exchange to remove 99% of all known contaminants, and these are generally much cheaper than the RO type of product.
All these systems are available as countertop, under counter or whole house products depending on your needs. Some even have shower filters as we can absorb more toxins when we shower than when we drink as our pores are open to the toxic vapors.
If you apply these simple steps along with due diligence, you will find excellent home water filters are available at a price to suit you, but more importantly, that they will protect you from the potential health risks that await if you don\’t use them.
So in closing, I hope I have helped to answer your question of how do water filters work, and you feel more confident now in selecting the right product.
Visit my website today to learn more about the systems I recommend after my own extensive research.
DIY Solar for Your Home? Read More
The Skinny on Home Water Filters
June 23, 2009 by admin
Filed under Water Filters
Bob Goodhand asked:
Being somewhat of an expert, I get a lot of questions about home water filters. Recently, this question showed up in my in-box. Carla asked, “How do water filters work?”
On the surface, it seemed like a simple question to answer, but as I began to write an explanation, I realized that it depends on “which” home water filters we were talking about. Reverse osmosis, submicron filtration, granular carbon, multi-media blocks or ion exchange are all purification methods available for the home and they all work differently.
Let’s take a quick look at each of them.
How Do Reverse Osmosis Water Filters Work?
Home water filters that include a reverse osmosis step work by forcing the liquid through a semi-permeable membrane. Only things that are smaller than the pores of the membrane will pass through. Larger contaminants will be blocked. It’s a kind of like a pasta strainer.
How Do Water Filters Work that Include Submicron Filtration?
Submicron filtration is similar to, but less expensive than, reverse osmosis. Again, it works like a strainer, allowing only particles smaller than the pores of the filter to pass through. If the porous structure is less than one micron and made of a tough material, anything larger than a speck of dust will be removed.
What About Granular Carbon?
Granular carbon works to remove chemicals because of a process called “absorption.” Certain chemicals “stick” to certain materials. Chlorine, for example, “sticks” to granular carbon. If the granules are tightly packed, chlorine can be reduced by more than 99.99% with this method.
What’s a Multi-media Block?
Typically, a multi-media block is composed of carbon and other materials that attract different chemicals. With this kind of system, chemicals that are normally difficult to remove, such as THMs, VOCs, MTBE, as well as traces of bug killer and weed killer will be trapped. It’s an important step to include, because many of those chemicals increase the risk of cancer or cause other health problems.
How Do Water Filters Work that Include an Ion Exchange Step?
Home water filters that include ion exchange are some of the most technologically advanced systems on the market. They are so advanced that they are difficult to explain in simple terms. Basically, microscopic metallic particles, such as traces of the heavy metal lead, have a slight electrical charge.
They can be trapped in a polymer bed that has the opposite charge, similar to the way that positive and negative magnets stick to each other. This step will reduce the lead content of your water by more than 99%.
How Do Water Filters Work that Include a Number of These Steps?
Well, reverse osmosis is unnecessary, but anyone serviced by a public facility needs all of the other steps, in order to be safe. Home water filters that include all of those steps are reasonably priced. You just have to do a little comparative shopping to get the best deal. Hopefully, Carla, that answered your questions.
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Being somewhat of an expert, I get a lot of questions about home water filters. Recently, this question showed up in my in-box. Carla asked, “How do water filters work?”
On the surface, it seemed like a simple question to answer, but as I began to write an explanation, I realized that it depends on “which” home water filters we were talking about. Reverse osmosis, submicron filtration, granular carbon, multi-media blocks or ion exchange are all purification methods available for the home and they all work differently.
Let’s take a quick look at each of them.
How Do Reverse Osmosis Water Filters Work?
Home water filters that include a reverse osmosis step work by forcing the liquid through a semi-permeable membrane. Only things that are smaller than the pores of the membrane will pass through. Larger contaminants will be blocked. It’s a kind of like a pasta strainer.
How Do Water Filters Work that Include Submicron Filtration?
Submicron filtration is similar to, but less expensive than, reverse osmosis. Again, it works like a strainer, allowing only particles smaller than the pores of the filter to pass through. If the porous structure is less than one micron and made of a tough material, anything larger than a speck of dust will be removed.
What About Granular Carbon?
Granular carbon works to remove chemicals because of a process called “absorption.” Certain chemicals “stick” to certain materials. Chlorine, for example, “sticks” to granular carbon. If the granules are tightly packed, chlorine can be reduced by more than 99.99% with this method.
What’s a Multi-media Block?
Typically, a multi-media block is composed of carbon and other materials that attract different chemicals. With this kind of system, chemicals that are normally difficult to remove, such as THMs, VOCs, MTBE, as well as traces of bug killer and weed killer will be trapped. It’s an important step to include, because many of those chemicals increase the risk of cancer or cause other health problems.
How Do Water Filters Work that Include an Ion Exchange Step?
Home water filters that include ion exchange are some of the most technologically advanced systems on the market. They are so advanced that they are difficult to explain in simple terms. Basically, microscopic metallic particles, such as traces of the heavy metal lead, have a slight electrical charge.
They can be trapped in a polymer bed that has the opposite charge, similar to the way that positive and negative magnets stick to each other. This step will reduce the lead content of your water by more than 99%.
How Do Water Filters Work that Include a Number of These Steps?
Well, reverse osmosis is unnecessary, but anyone serviced by a public facility needs all of the other steps, in order to be safe. Home water filters that include all of those steps are reasonably priced. You just have to do a little comparative shopping to get the best deal. Hopefully, Carla, that answered your questions.
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