Does a Brita Filter Change the pH of Water? [Expert Opinion]

Water is essential for human survival. In fact, the quality of water plays a significant role in our health and well-being. One of the critical aspects of water quality is its pH level. It directly affects its taste, odor, and safety for consumption. With the increasing awareness of water pollution and contamination, many people rely on water filters to ensure their drinking water is safe and healthy. Brita filters are among the most popular water filters used in homes. But many people wonder does a Brita filter change the pH of water.  

How about we explore this question in detail? Let’s get started:

Understanding Brita Water Filter:

In our previous articles, we have made a detailed analysis of the various aspects of Brita Filters. For instance, while comparing it with bottled water, we have seen how it works by means of activated carbon filtration. 

Brita Filters
Brita Filters

Then while discussing its compatibility with the dishwasher, we have seen what are the important products of Brita!

Now as you can observe, if you ever open your Brita filter, it has a cartridge. This cartridge has a large surface area. As a result, it attracts and holds onto dissolved solids and impurities. So when the water passes through the filter, these impurities are trapped and are then removed. Thus, resulting in cleaner and fresher water.

What is pH?

pH is something I became familiar with in my elementary school thanks to my science book. It is a measure of the acidity or basicity of a solution. It is defined as the negative logarithm of the hydrogen ion concentration in a solution. 

The pH scale ranges from 0 to 14, with a pH of 7 being neutral, below 7 being acidic and above 7 being basic.

And if I go more deep into you can see the following table for it:

pH RangeClassification
0-1Strongly acidic
4-5Weakly acidic
8-9Weakly basic
13-14Strongly basic

pH plays a critical role in water quality as it affects the solubility, reactivity, and toxicity of contaminants in water. A slight change in pH can have significant effects on the taste, odor, and safety of water for consumption. For example, a pH level outside the acceptable range can indicate the presence of harmful bacteria, viruses, and other contaminants in your drinking water. And that’s why we want to see the Brita water filter pH.

Does a Brita Filter Change the pH of Water?

Yes, a Brita filter can change the pH of water, but the change is usually slight. 

Brita filters use the ion exchange method to remove hard water minerals like calcium and magnesium, which are alkaline. Hence, removing these minerals, it indirectly makes the water slightly more acidic. However, the pH of Brita-filtered water remains within the safe range for drinking water, typically falling within the pH range of 6.0 to 7.5.

It is also important to add that the pH of most tap water is between 6.5 and 8.5, while Brita-filtered water typically falls within the pH range of 6.0 to 7.5. While the change in pH may be noticeable but it is not drastically altered by using a Brita filter.

For those who are concerned about the pH of their drinking water, there are other options available. I have also seen Brita PRO pH Neutralizer Filter, for example, is designed to increase the pH of water by adding minerals to it, raising its pH.

 Alternatively, you can use a pH meter to test the pH of your water and make any necessary adjustments.

Factors that affect the pH of water

Additionally, I also want to share that when considering the pH of Brita filtered water, do consider the linked factors as well. These include:

  • Type of water source: Tap water, bottled water, and distilled water can have different pH levels due to the presence of minerals and other contaminants.
  • Presence of minerals and other contaminants: The pH of water can be affected by the presence of minerals and other contaminants, such as lead, copper, and chlorine.
  • Temperature and storage conditions: The pH of water can change depending on the temperature and storage conditions. For example, water stored in a hot environment may have a higher pH than water stored in a cool environment.
  • Filter type and quality: The type and quality of the filter used can affect the pH of water. High-quality filters with better-activated carbon can remove more impurities and have a greater impact on the pH of water.

Tips on how to maintain the ideal pH level

If you are interested in maintaining the pH level of water, then the following are the few considerations that you can use in this regard. These are:

  1. Use a high-quality water filter: A good water filter can remove impurities and maintain the optimal balance of minerals in the water.
  2. Monitor and adjust the pH level regularly: It is important to regularly test the pH level of your water and make adjustments as needed. This can be done using pH test strips or a pH meter.
  3. Avoid contamination and pollution: Keep your water source clean and sanitary, and avoid exposing your water to chemicals or other contaminants.
  4. Consider using a water ionizer: A water ionizer can help to maintain the optimal pH level of your water by ionizing the water and removing impurities.


To answer the query; does a Brita filter change the pH of water? We have seen that while Brita filters can slightly lower the pH of water by removing alkaline minerals, the change is generally not significant and remains within the safe range for drinking water. Other factors such as water source, mineral presence, temperature, storage conditions, and filter quality can also affect the pH of water. To maintain the ideal pH level, use a high-quality filter, monitor and adjust regularly, avoid contamination, and consider a water ionizer.

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