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Frequently Asked Questions
Do you still have unanswered questions about water filtration systems? Then you have come to the right place. On this page we have listed some of the most frequently asked questions people consider when buying a water filter system. If you do not find your answer here you can always email us at info@water-filter-comparisons.com for more information.
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Question: Is it a health benefit to have minerals in our drinking water?
Answer: No, minerals are not an important component of healthy drinking water. Water contains only inorganic minerals which our bodies have a hard time absorbing. In fact, drinking water with high levels of inorganic minerals could eventually lead to health complications including kidney stones, gallstones, arthritis, calcification of bones & joints and hardening of the arteries. People get the vast majority of their minerals from the foods they eat which contain organic minerals that are easy to absorb and good for their bodies.
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Question: Should all minerals be removed from drinking water?
Answer: Yes! Some minerals found in water are toxic including lead, mercury, cadmium and arsenic. Other minerals such as radium and uranium are highly radioactive and can cause cancer. Unfortunately there are no filters on the market that can differentiate between toxic and benign minerals. Either the filter will remove minerals or it will not. For better health, drinking water should be free of all minerals to ensure purity and safety.
Radioactive Mineral Minerals in water can have toxic or radioactive properties.
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Question: How would I know if my water filter is removing harmful minerals or not?
Answer: You will need to check what type of filter system you have. If you have a basic faucet, countertop or pitcher water filter using simple activated carbon, your system will not remove harmful minerals. If you have a reverse osmosis system, it will most likely remove between 90-99% of all minerals from tap or well water. You can also purchase a TDS (Total Dissolved Solids) meter to check the level of mineral contaminants in your filtered water.
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Question: Should I be concerned about low pH, acidic drinking water?
Answer: No, drinking water pH will have little affect on human health. The pH level of purified water is usually around 6.5-8 pH which makes it mildly acidic to neutral. While some people will have you believe that drinking alkaline water is more beneficial than drinking neutral or acidic water, it has never been proven by science. This is because the healthy body will regulate whatever is ingested to find homeostasis and will always balance its pH level to around 7.4. The body itself has different levels of pH with blood being around 7.4 pH, saliva is at 6 pH and stomach acid at 2 pH. Healthy drinks such as orange juice and milk are also mildly acidic at around 4-5 pH levels.
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Question: Is my basic faucet filter protecting me from dangerous water pollutants?
Answer: Yes and No. If you have a standard faucet, countertop, or pitcher water filter system, it is probably using activated carbon filtration only. You will be protected from chlorine, chlorine byproducts and organic chemicals. However, you will NOT be protected from many other major toxic substances such as arsenic, fluoride, chromium, mercury, nitrates, perchlorate, heavy metals, radioactive materials, bacteria, viruses and other microorganisms. The addition of a reverse osmosis membrane will protect you from these water contaminants.
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Question: Does RO filtration systems waste more water than basic carbon filters?
Answer: No. Reverse osmosis systems do USE more water than carbon filters but it does not waste it. RO systems produce much cleaner, healthier water than activated carbon filters, so it does require some extra water to flush and clean the membrane. But ask yourself. Do you waste water when you wash your clothes, dishes or take a bath? Of course not. You are using it for a necessary purpose that greatly benefits your life and health. The same logic should also apply for the water used by reverse osmosis filters. In addition, the waste water is relatively clean and is often used by RO owners to water their gardens or for basic holdhold cleaning applications.
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Question: Which is worst for the environment, wasted water or plastic bottle waste?
Answer: Plastic bottle waste is much more harmful to the environment than water waste. This is because plastic bottles are discarded in the billions each year with much of it ending up in the oceans. Plastics are harmful to marine life and it takes hundreds of years for plastic polymers to break down in nature. Water waste on the other hand does not directly affect nature in a negative way and water can be easily recycled and purified through desalination, reverse osmosis and by mother nature herself.
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Question: Isn't it better to pay for a monthly water service company like Culligan?
Answer: Not really. In the past 10 years, residential water filtration technology has improved a lot and most systems today are very easy to install and maintain by everyday people. While it may take you an hour to install a quality water filter, it is well worth the time when you consider that you can save over a thousand dollars in a 2-3 year time frame by doing so. If you get a RO system, you will also get the same high quality water that many service companies provide because they use the exact same technology themselves to purify the water. Using a TDS meter, you would be able to monitor the performance of your system easily from home on a regular basis. The truth is, monthly service/rental charges for drinking water service was great in the past, but it is a totally unnecessary expense today.
Why do You Need a Water Filter?

Because your body is a "natural" water filter. The human body collects, processes, and filters contaminants on a daily basis from the food, water and air that we consume. If you drink water with high levels of pollutants, your body then becomes a living filter of sorts. It will remove many contaminants on its own but whatever it cannot remove will be left behind to be absorbed or deposited in your tissues and organs. Over time, the accumulation of toxic contaminants could overwhelm your body's natural defenses leading to serious disease, cancer and death.

It is easy to replace a bad cartridge with a new one when a water filter fails. It is much harder to replace any valuable organs when the human body fails.

Don't use your body as the filter!

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Water Myths Exposed Is Your Water Safe? Filtered vs Bottled Eco-Friendly Filters Water Filter Comparison Where to Buy?