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Conventional
ultraviolet light systems can kill bacteria and viruses but can not remove chemicals,
pesticides, micro-biological and other contaminants. They also demand
high maintenance to remove foreign matter and contaminants that build
up and block the ultraviolet exposure needed to be effective.
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Reverse osmosis
systems only remove certain chemicals and can’t kill
bacteria or viruses. They require large storage tanks that can become
contaminated, as well as frequent supplier maintenance and expense.
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Under-sink carbon
filtration Units can reduce chlorine, improve taste and
remove some--not all--EPA identified chemicals and pesticides, but
can’t reduce levels or remove any bacteria or viruses.
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Faucet mounted
carbon filters cannot reduce organic, chemical or microbial
contaminants; can reduce chlorine.
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Bottled waters have no purity standards imposed by any regulatory body and may be no purer than
tap water. Using bottled water is very expensive.
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Water coolers deliver water that has no purity standards and the cooler mechanisms
are easily contaminated by bacteria.