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Nature's Secret Way to Purify Water   If you can recall your high school chemistry days, an Ion is any atom with an electrical charge - positive if it is short an electron, negative if it has an extra electron. An ion with a positive charge is called a cation, while one with a negative charge is known as an anion. To ionize something means to transform the atom into one of these two ionic forms. The Tarn-Pure™ water purification system consists of a state-of-the-art, microprocessor control box and a scientifically designed set of electrodes composed of copper and silver that are set slightly apart from each other. Water is passed through a specially built flow-cell chamber that houses the electrodes.
Tarn-Pure™ : specially developed flow cell

The control box works by generating a precise, low-voltage, DC current at milliamp levels to the electrodes. These electrodes consist of a metal-plated cathode and a metal-plated anode. A current is passed between the cathode and the anode, thus producing copper and silver ions by normal plating. Basically, the current causes some of the outermost atoms of the electrodes to lose an electron, thus becoming positive ions. In the specially developed flow cell, 100% of the water will pass through the electrodes. While the water is running through the chamber, many of these ions are swept away before they can reach the other side of the electrodes. As a result, copper and silver ions are dispersed into the body of water that is being purified.

The amount of ions introduced is controlled by the microprocessor control box, an adjustable transformer that changes 220 volt AC current from the power source to a low voltage DC current. The higher the charge, the more ions are released. The electrodes were designed that when the proper copper-ion level is obtained, the silver level will be correct too. Both the anode and cathode are plated with the same mixture of copper and silver. The polarity is switched back and forth between the electrodes two elements every five minutes to prevent plating of the cathode - a process that reduces the electrode's surface area over time. The polarity change assures equal wear and tear of the two electrodes and prolongs life.

It was NASA that harnessed what nature already knew, and designed an ionization system for their Apollo flights.

The Johnson Space Center developed an electrolytic silver ion generator only slightly larger than a cigarette pack and weighing only 30 grams. This small ionizer required minimal power and no astronaut monitoring. Mounted at various locations in the potable water supply and wastewater systems, the ionizer would dispense silver ions to eliminate bacteria and viruses. In 1962, silver was approved for use in drinking water by the U.S. Public Health Service.

Today, copper is recognized as one of the best algaecide killers known to man. Oxides and sulfates of copper are used for pesticides, algaecides and fungicides. Pool stores worldwide sell copper based algaecide to kill black algae - the toughest of all to kill.

When copper and silver ions are released into the water, these cationic, surface-active ions are a potent biocide. The disinfection action takes place when the positively charged copper and silver ions form electrostatic bonds negatively charged areas on the microorganism cell walls. These electrostatic bonds create stresses which lead to distorted cell wall permeability, minimizing the normal intake of life sustaining nutrients. Once inside an algae cell, copper and silver attack sulfur containing amino acid residues in the proteins used for photosynthesis (the process of converting light into usable food and energy). As a result, photosynthesis is blocked and lead to cell lysis and death. If the algae cell manages to live, the reproduction process is hampered by the presence of the copper ions and the spread of algae is held in check. Bacteria is killed, rather that suppressed.

The copper and silver ionization has been proven to kill cryptosporidium, E-Coli, V. Cholera, Legionnaires Disease, and many other types of bacteria and viruses.

The Tarn-Pure™ purification system can be used on virtually any body of water. We have systems on tens of thousands of swimming pools, spas, cooling towers, hospital water supplies, Marine habitat aquariums, fish ponds, cisterns, lakes, quarries, pilas, drinking water systems - under the counter, household, and bottled water systems.

The Tarn-Pure™ ionization system will kill more than 650 types of bacteria, viruses and protozoa.

A sampling of what copper/silver ionization will kill:

• Amoebae dysenteriae
• Bacillius subtilis
• Bacillius typhosus
• Cryptosporidium
• Endamoeba histolytica
• Escherichia coli (e. coli)
• Giardia lamblia
• Herpes virus
• HIV
• Influenza A & B
• Legionella pneumophila
• Poliomyelitis virus

• Proteus valgaris
• Pseudomonas aeruginosa
• Salmonella
• Saccharomyees cerevisiae
• Sarcina Flava
• Shingella dysentiniae
• Shigella flexneria
• Staphylococcus aureus
• Streptococus faecalis
• V. cholera
• Vaccinia virus
• Vibrio cholerae