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Filtered Water VS Tap Water VS Bottled Water – the safe, bad, and Good

Both filtered and tap water is popular within households. Tap water is supplied through underground pipes. It is controlled and treated by the government to meet drinking water standards. Filtered water is tap water that has been additionally filtered and cleaned. It can be cleaned with a home water filter and distiller appliances using different filtration techniques. Both types of water are considered safe to drink, to cook with, and other purposes. However, filtered water is a safer and cleaner option.

Tap water

Tap water

Tap water

Although the water supply is regularly monitored and controlled, it still contains fluoride, chlorine, and various types of minerals, including calcium, sodium, and magnesium. These elements have a history of causing allergic reactions, diabetes, kidney stones, and certain types of cancers. That is why it is important to consume filtered water instead.

Filtering methods

Activated charcoal and carbon

Carbon and charcoal are the most common types of filter and work by attracting and keeping toxic chemicals and minerals out of the water. It is a natural way of water filtration, and it will get rid of a number of contaminants harmful to health, such as chemicals and chlorine. However, it will not filter out all of types of contaminants, including fluoride.


This type of filtration removes hydrogen sulfide and iron from the water. Air is a strong oxidizer and forces the entering water to pass through high-pressure air jets. Some contaminants become gases and then evaporate into water. Aeration cannot remove some of the contaminants such as mercury or viruses.

Cation Exchange

This method can remove up to 96% of contaminants in water. This approach uses positively charged particles to attract negatively charged ions. These are barium, magnesium, and calcium. These contaminants attach to the beads in the filter. Meanwhile, hydroxide and hydrogen are released into the water. Combined, these two ions produce H2O.


Distillation works by boiling water until it vaporizes. Then, the steam is allowed to cool down and returns to a liquid form. The result is clean and purified water, 99% free of any contaminants, viruses, metals, and chemicals.

Reverse Osmosis

This method converts seawater into drinking water by removing salt and other contaminants. It uses pressure to force the water through a semipermeable membrane and removes toxins.

UV Disinfection

This process removes bacteria, parasites and viruses from the water by using ultraviolet light. It does not remove chemicals and metals.

Benefits in filtered water

  • Unlike tap water, filtered water does not have an unpleasant smell or taste due to the removal of contaminants.
  • Water filters remove the harmful contaminant lead from water.
  • Drinking filtered water reduces the risk of colon cancer, bladder cancer, rectal cancer due to the absence of chlorine that is otherwise present in tap water.
  • By removing cryptosporidium and giardia from the drinking water, water that gone through the process of distillation reduces the risk of gastrointestinal disease by more than 33%.
  • Water filters remove up to 2100 toxins from tap water that can be harmful to human health
  • Filtered water primarily benefits children, decreasing the risk of exposure to harmful contaminants while their immune systems are still growing and developing.
Whole House Water Filter

Young boy drinking Filtered water


Although tap water is controlled by the government and is acceptable for cooking, baking, bathing, it still contains harmful contaminants. Fluoride, chlorine, sodium, magnesium, and different types of microbes are still present in the water supply despite regulations. These elements can cause allergic reactions, certain types of cancer, kidney stones, diabetes, and other diseases.

Tap water is especially not recommended for children, as their immune systems are still developing and such contaminants can cause serious health risks. To avoid being exposed to toxins, the water should be filtered by using either activated charcoal and carbon method, aeration, distillation, cation exchange, reverse osmosis, or UV dysfunction.Some of these filtration methods are more effective than others.

The type of filtration depends on what the person is looking for, as some of methods only remove particular types of contaminants from the water. Filtration of tap water reduces the chances of having health problems.

For more information on filtered water and how to choose the right water filter, please  Visit this page.


References And Recommended Reading

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