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Brita Filters: How Do They Work to Protect Your Water?

It is recommended that human beings drink at least 2 liters (or half a gallon) of water a day. Besides the air we breathe, water is the most important resource we have, which is why it is important to maintain access to a clean water source. Contaminants that could exist in the water streaming for our faucets at home include:

  • Lead

  • Mercury

  • Cadmium

  • Mercury

  • Bacteria & Viruses

Related Blog: 5 Important Things You Should Know About Drinking Water

What are the Effects of Waterborne Contaminants on Human Health?

The EPA has listed over 80 contaminants that can be found in our drinking water that pose harm to human health. Although our bodies can fight off certain microbial contaminants similar to the way it fights off germs, contaminants can have short- or long-term effects on the human body. These toxins fall into two groups based on the health effects they cause.


  • Acute Effects – This can occur within hours or days of the time an individual consumes contaminated water (usually bacteria or viruses) and can stem from the ingestion of any toxin if exposed to high enough levels of it.


  • Chronic Effects – This can occur after the ingestion of contaminated water over the course of a long period of time. Chronic effects from water contamination are the result of the consumption of chemicals such as pesticides, radionuclides, and minerals, and can lead to cancer, liver and kidney damage, and reproductive difficulties.  

Are Brita Water Filters a Sufficient Water Filtration Tool?

There are a multitude of variables that go into adequately answering that question, for example, what is it that you are attempting to filter out? Brita water filters can assist in extracting many toxins, but there are contaminants that can find their way through the cracks.

Brita water is purified by cycling it through a specialized carbonated filter. Toxins that are filtered out of the water using Brita devices include lead, copper, cadmium, and mercury.

The benefits associated with Brita filtration systems is mainly that they clean the water that we consume on a daily basis. As a result of the toxin extraction, the harsh taste associated with the contaminate is removed, making the water taste like we are accustomed to.

There are also environmental benefits of utilizing this tool. Due to the fact that we don't need to boil water or buy plastic water bottles, we could end up saving energy, time, money, and reducing our carbon footprint.

The Issues with Brita Filters

Something to consider when utilizing Brita filters is that they need to be replaced regularly to maintain their purification benefits. Typically, the filters last about six months before they become completely useless, but if you begin to see those tiny black carbon pieces floating or gliding around the bottom of your glass of water or pitcher, you will know it's time to swap out your filter. There have been plenty of times when we have tested the water from a Brita being used and the water was worse coming out than what was going in. Again these type of filters need to be changed regularly.

Also, something noteworthy is that Brita filters do not extract microorganisms or bacteria. These filters were not designed to do so, partly because the chlorine in our country's water supply is supposed to kill it for us. The filters themselves, especially the ones attached to faucets have been known to trap run away bacteria and breed them inside the filters.

Are Brita water filters sufficient filtration tools for our home's water supply? The answer is yes, but only if you are attempting to filter out contaminants such as lead, copper, cadmium, and mercury. Anything associated with bacteria would require more powerful methods to achieve purification. To learn more about ways to keep your home's water clean or to schedule a water test, contact us today.


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