COMPARISON OF METHODS
CARBON
The traditional media used in cleaning toxins from water is carbon. Carbon or "charcoal" is charred organic matter that has a tremendous ability to adsorb (draw) impurities to it, particularly organic chemicals such as pesticides and fertilizers, as well as the toxic chlorine added by almost every city water treatment plant to kill bacteria and algae.As great as it is, carbon is limited in what it can do. Granular carbon is not a "water purification" media. A water purifier is supposed to eliminate bacteria, and granular carbon does not do that. One common downfall of "carbon only" filters is that, being organic in make up, bacteria thrive and feed on the carbon and organic matter trapped in it. This makes it necessary to replace a carbon filter quite frequently.
Another problem with carbon is that chlorinated water, almost universally found in cities, saturates the carbon with chlorine. This also greatly reduces its useful life, as it becomes less and less capable of adsorbing organic chemicals and additional chlorine.
REVERSE OSMOSIS
Reverse Osmosis forces pure water through a membrane with the pressure from the water line. It is so fine that nearly all contaminants, including chemicals, dissolved solids, many of the minerals, and most microbes are screened out.
Although there is some concern about the minerals removed, foods and supplements are more dependable sources than water for nutritional minerals.
Reverse osmosis membranes, which are expensive, can be ruined by sediment, chlorine or bacteria. A sediment pre-filter and a carbon pre-filter for chlorine are commonly placed in advance of the membrane.
Reverse osmosis is a slow process. The purified water produced is usually collected in a holding tank with its own separate faucet for drawing the water as needed. The tank should be emptied weekly and freshly filled, as bacteria, mold and algae can develop in the tank.
It is important to maintain the R.O. unit with timely replacement of the pre-filter and the post-filter, and less frequently the R.O. membrane. A poorly maintained system can let mold, algae and other contaminants through, which can contribute to health problems.
R.O. water is generally more acid than is healthy for long term consumption. For best health, purified water for drinking should be more alkaline.NOTE: We also make available a unique countertop reverse osmosis unit which attaches directly to the faucet. With this small system there is no holding tank in which mold can grow. This unit comes with a free tester of dissolved solids for tracking when to replace its cartridge.
DISTILLATION
Distillation involves boiling water, then cooling and capturing the pure condensed steam. It is the most thorough water purification method, but there can be a problem of crossover of volatile chemicals, such as chlorine gas from chlorinated source water, into the distilled water collected. A carbon pre-filter or post-filter is often used to minimize this problem. Some units "double distill", giving a more pure water product yet.
Well-distilled water is thought of as "pure H2O". Nonetheless, it is also more acidifying than purified water for drinking should be ideally.
CERAMIC
A ceramic filter is a microscopic screening agent, made from a fine clay material. It removes any particles as small as 1/2 micron in size. This includes bacteria and parasites, which no one wants to consume.
KINETIC DEGRADATION FLUXION
KDF's full name relates to how it works. It is a unique media, an alloy of copper & zinc developed about 15 years ago. The movement of water through these dissimilar metals produces a minute temporary electrical charge that accomplishes much.
KDF effectively destroys bacteria, most parasites and some viruses; it removes lead, iron, mercury and other heavy metals, and some fluoride; and it changes chlorine into harmless compounds.
KDF & CARBON
KDF & carbon together make a great team. When KDF precedes carbon, taking care of bacteria and chlorine, this extends carbon's useful life and frees it to be more effective in removing organic compounds of concern such as pesticides and other petrochemicals. If a compound called "Alumina" is also added, it will enhance the removal of fluoride from city water, and arsenic that may be present.
OTHER METHODS
Deionization removes ionically-charged dissolved solids using a resin which must periodically be renewed. Similarly, electrolysis draws ion-charged minerals to positive and negative poles. Neither is effective enough on bacteria.
Ultra-violet light applied to water destroys various microbes, as does ozone treatment of water.
These are all lesser used methods because other water purification processes achieve similar results more conveniently and economically.A water softener or a magnetic conditioner does not actually purify water or remove toxins.
COMBINATIONS
For more thorough water purification, a KDF & carbon cartridge can be followed with a solid carbon block and/or ceramic filter cartridge which screen out particulate matter, including bacteria & parasites, down to less than 1/2 micron. This combination water purification system is a lot less in price than a reverse osmosis system or a distiller.
KDF & carbon can also be used as a pre-filter with Reverse Osmosis to prolong the life of the expensive R.O. membrane, and to produce better pure water for an extended time. Similarly, KDF and carbon can be used in advance of distillation to eliminate chlorine.
There is another good reason to use KDF & carbon instead of or in conjunction with other methods. KDF & carbon are very economical.
KDF & carbon are much longer-lasting than the usual carbon pre-filter, so a KDF/carbon pre-filter would not need changed as often. The periodic replacement of a KDF/carbon filter cartridge is less of an expense than replacing an R.O. membrane, which should be done more frequently as well.A KDF & carbon cartridge followed by a solid carbon block and/or ceramic cartridge will purify water very well, providing excellent chemical free, bacteria & parasite free, pure water for drinking & cooking at a very economical cost with a minimum of maintenance.
Overall, this method of water purification is superior to any other choice.
A PROBLEM WITH WATER PURIFICATIONThe main problem with water purification is the extended use of a water purifier media beyond its thorough effectiveness. Any of the various media eventually wear out or get saturated or clogged with impurities. These need replaced depending on the amount of water that passes through them and the water quality.
Many people overlook timely replacement, and water quality can become worse than without the water purifier when the media is getting exhausted.
KDF and carbon in combination maintain their effectiveness longer than reverse osmosis, deionizing resins or carbon alone, reducing the likelihood of drinking contaminated water from failure to change cartridges in time.
CONCLUSIONIn any case, an effective method of water purification is needed to produce water that is healthy to drink, bathe or shower. Whether you have city water or well water, do not consume or routinely expose your skin to raw tap water.
WATER PURIFIERS FROM
Natural Enterprises
We offer several choices for good water purification, most of them centered around KDF, because of its unique properties, effectiveness and affordability.
NOTE: KDF is a relatively expensive substance. Our water purifiers have the substantial amount of KDF needed to do a thorough job. There are other brands, some with the same kind of housing as ours, that contain only a small amount of KDF so they may say they have it. These will do a lesser job for a shorter time than ours.
Our KDF & carbon cartridges do a great job for up to two to three years depending on the volume & type of water processed. The larger the family, or the dirtier the water, the sooner you would change the cartridge.
Clear your water of bad taste & odor, chlorine, volatile organic chemicals, heavy metals, lime and scale. Our revolutionary process effectively clears more household water problems than other types of filtration.
We now have a solid carbon block cartridge for the second housing in our systems with even an finer screening ability. This pure, high- pressure solid carbon will remove particles down to .2 microns, eliminating even the smaller bacteria that could get through the .4 micron screening of a ceramic filter.
Heavy Duty Dual UnderCounter Unit
One of our dual KDF & Carbon plus Solid Carbon Block units will effectively reduce or remove the following contaminants:
~algae ~bacteria ~parasites ~mold/fungus ~bad taste ~bad odor ~pesticides (eg. Endrin, Lindane, Methoxychlor, Toxaphene, etc.) ~herbicides (eg. Silvex; 2, 4-D; etc.) ~fertilizers ~nitrates ~detergents ~PCB's ~THM's ~arsenic ~aluminum ~barium ~cadmium ~chlorine ~chromium ~fluoride ~hydrogen sulfide ~iron ~lead ~mercury ~radon ~selenium ~and many more
NOTE: For those on fluoridated city water, we have special cartridges for our "Heavy Duty" units with "Alumina" added, which more thoroughly eliminates fluoride.
We also make available a unique countertop reverse osmosis unit which attaches directly to the faucet. With this small system there is no holding tank in which mold can grow. This unit comes with a free tester of dissolved solids for tracking when to replace its cartridge. For more information on this RO system, CLICK HERE.
We do not offer deionization, ultraviolet or ozone methods due to limitations, cost or redundancy.
Current prices (including shipping) for our complete line of quality point-of-use filter systems range from $95.77 for the SlimLine Space-Saver Single CounterTop unit to $269.97 for the Heavy Duty Triple UnderCounter Unit, with separate faucet. All of our drinking water purifiers have replaceable cartridges.
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