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(More customer reviews)This is a question, not a review. Since the 2nd stage of this filter uses copper to react with and remove other heavy metals...how much COPPER does it leave in the drinking water? The Romans originally used nice easy-to-work copper for their plumbing, but learned to substitute lead pipes for it, because the lead poisoning was much slower than the copper poisoning.
Click Here to see more reviews about: KDF/GAC Water Filter Cartridge For Undercounter Units - Removes Chlorine Lead Heavy Metals Lasts 12,000 Gallons
KDF Media can remove up to 99% of water-soluble lead, mercury, nickel, chromium, and other dissolved metals.First stage filtration is when the water enters the cartridge, it is passed through a 1 micron prefilter that removes suspended particles, such as silt, sediment, sand, rust, dirt,. In the second next stage, the water passes through a bed of a media made of a special high-purity alloy blend of two dissimilar metals - copper and zinc KDF55 This media, is a major advancement in water treatment technology that works on the electro-chemical and spontaneous-oxidation-reduction (redox) principles. Chlorine is instantaneously and almost inexhaustibly oxidized. Tests on this cartridge have shown 99+% chlorine removal past 15,000 gallons of water while a carbon cartridge of comparable volume drops below 90% effectiveness after only 4,000 gallons. Iron and hydrogen sulfide are oxidized into insolubable matter and attach to the surface of the media. Heavy metals such as lead, cadmium, and aluminum are removed from the water by the electrochemical process. They are attracted to the surface of the media, much like a magnet. The media inhibits bacteria growth throughout the entire unit (in fact, has been shown to reduce it up to 90%!), eliminating the need for silver, commonly used in carbon-only filters.Third stage granulated activated carbon (GAC) is universally recognized and widely used as an effective adsorbent for a wide variety of organic contaminants, such as herbicides, pesticides, industrial chemicals, and trihalomethanes (THM's). Carbon-only filters must also use their capacity for chlorine removal, resulting in a shortened life. We use a high-grade coconut shell carbon that is most effective at removing chemicals. As a result, it is more effective than other carbon types in removing trihalomethanes (THMs) and other chemicals from municipally supplied water.Sediment prefilter required for areas that have high sediment.Not for whole house use.
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