Why Is My Brita Filtering So Fast or Slow?

Jason Barrett Jason Barrett | | Brita

Are you experiencing differences in the speed of your Brita filter like I did? Why is my Brita filtering so fast or slow?

Sometimes it works faster, and other times it seems slower than usual. There are a few reasons that could be causing this variation in the filtration rate.

In this article, we will explore the factors that can affect the speed of your Brita filter, allowing you to better understand and troubleshoot any issues you may encounter.

Why Is My Brita Filtering So Fast or Slow?

If you’re experiencing a significant change in the filtration speed of your Brita pitcher, there are a few possible reasons behind it:

  1. Clogged filter: Over time, the filter can become clogged with impurities, reducing its ability to filter water efficiently. If your filter is old or hasn’t been replaced in a while, it may be time to change it.
  2. Water pressure: Low water pressure can result in slower filtration. If you notice a decrease in the overall water pressure in your home, it can affect the flow rate of your Brita pitcher as well.
  3. Temperature: Extremely cold water can slow down the filtration process. If you’re using very cold tap water, it may take longer for the water to pass through the filter.
  4. Air pockets: Air pockets can sometimes form within the filter, hindering the water flow. To resolve this, gently tap the filter or give it a shake to release any trapped air.
  5. Pre-soaking: If you’re using a new filter, it’s recommended to pre-soak it in water for approximately 15 minutes. This allows the filter to fully saturate and helps with the initial filtration speed.

How Fast Should a Brita Work?

A Brita filter is designed to provide a reasonably fast filtration rate while effectively removing impurities from the water.

  • On average, it should take approximately 1-2 minutes for the water to pass through the filter and fill your pitcher or glass.

Filtration speed can vary depending on factors such as:

  • the model of the Brita pitcher
  • the condition of the filter
  • the water pressure in your home
  • initial temperature of the water

If you notice a significantly slower or faster filtration rate than what you’re accustomed to, it may be worth investigating the possible causes mentioned earlier, such as a clogged filter, low water pressure, or air pockets.

Taking care of these issues can help restore the filtration speed to its optimal range for a satisfying filtering experience.

How Do I Know if My Brita Filter Is Bad?

There are a few signs that can indicate if your Brita filter needs to be replaced:

  1. Slow filtration: If the water takes an unusually long time to filter through the Brita pitcher, it may indicate that the filter is clogged and not effectively removing impurities.
  2. Change in taste or odor: If you notice a change in the taste or smell of the filtered water, it could mean that the filter is no longer effectively removing contaminants.
  3. Reduced water flow: If the water flow from the filter is significantly reduced or there is only a trickle of water coming out, it suggests that the filter is clogged and needs replacement.
  4. Visual inspection: Brita filters have an indicator that shows when it’s time to replace them. Look for a color change or a blinking light on the filter indicator, which indicates that the filter is no longer functioning optimally.
  5. Duration of use: Brita recommends replacing the filter every 40 gallons or approximately every two months. If you’ve been using the filter for an extended period beyond this recommendation, it’s likely time to replace it.

Regularly checking for these signs and following the manufacturer’s guidelines for filter replacement will ensure that your Brita filter continues to provide clean and fresh-tasting water.

9 Reasons Why Your Brita is Slow

There are several reasons why your Brita filter may be running slow, but don’t worry, there are solutions to fix the problem. Here are nine common reasons and how to address them:

  1. Air blocks in the filter: Soak the filter in cold water and tap it gently to release trapped air bubbles.
  2. Not replacing the filter on time: Monitor the filter change indicator and replace the filter as recommended.
  3. High sediment levels: Install an additional filtration system to reduce sediments before using the Brita filter.
  4. Aeration from the faucet: Fill the reservoir gently with a slow and steady stream of water.
  5. Particles lodged in the filter: Spray water in the opposite direction to dislodge particles, but avoid doing this too frequently.
  6. Faulty installation of the filter: Follow the instruction manual carefully to ensure correct installation.
  7. Excessive usage of the filter: Replace the filter more often if you find yourself filtering large volumes of water.
  8. Reduced water pressure from the faucet: Check for leaks, sediments, and clean the aerator to improve water pressure.
  9. Incorrect flushing of the filter: Flush the filter properly before first use to optimize filtration.

By addressing these issues, you can improve the speed and efficiency of your Brita filter. Remember to monitor the filter change indicator and maintain your filter according to the manufacturer’s recommendations for clean and healthy drinking water.

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How To Fix A Slow Brita Filter

If you’re experiencing a slow Brita filter, here are some simple steps to fix the issue:

  1. Replace the filter: If it hasn’t been changed recently, replace the filter according to the recommended time frame or when the filter change indicator indicates.
  2. Remove air bubbles: Soak the filter in cold water to remove any trapped air bubbles, or tap it gently against a sink while holding it under water.
  3. Clean the filter: Run the filter under a spray of water to remove any debris or sediments that may be causing the slowdown.
  4. Check water pressure: Ensure that the water pressure from your faucet is sufficient to push water through the filter.
  5. Verify water quality: If the water is too dirty or contains excessive sediments, consider installing an additional filtration system.

By following these steps, you can improve the speed and performance of your Brita filter for clean and refreshing water.

How Long Do You Soak a Brita Filter Before Using?

To soak a Brita filter before using it, you typically need to follow these steps:

  1. Fill a clean container or sink with cold tap water.
  2. Submerge the Brita filter in the water, ensuring it is fully immersed.
  3. Allow the filter to soak for approximately 15 minutes.
  4. After the soaking period, remove the filter from the water.
  5. Rinse the filter under running water for about 20 seconds to remove any remaining carbon dust or particles.
  6. Install the filter into your Brita pitcher or filtration system according to the manufacturer’s instructions.
  7. Discard the first couple of pitchers of filtered water to ensure the system is fully primed and ready to provide clean water.

By following these soaking instructions, you can prepare your Brita filter for optimal performance and ensure it effectively filters impurities from your water.

Brita Water Filter Troubleshooting

Brita water filters are designed to provide clean and filtered water, but sometimes you may encounter issues or have questions about their performance.

Here are some common troubleshooting tips for Brita water filters:

  1. Slow filtration: If your Brita filter is filtering water slowly, it could be due to clogging caused by sediment or trapped air bubbles. Try flushing the filter with water, tapping it gently to release air bubbles, or cleaning it according to the manufacturer’s instructions.
  2. Filter lifespan: If you notice a decrease in water quality or flow, it may be time to replace your Brita filter. Most Brita filters have a recommended lifespan printed on them, so make sure to replace them at the appropriate intervals.
  3. Filter leaks: Check for any leaks in the filter housing or pitcher. Ensure that the filter is correctly inserted and the housing is properly sealed.
  4. Water taste or odor: If you detect an unpleasant taste or odor in the filtered water, it could be due to impurities or an expired filter. Replace the filter and flush it before using to improve the taste.
  5. Filter bypass: Ensure that the water is passing through the filter and not bypassing it. Check for any misalignment or improper installation.
  6. Water pressure: Low water pressure can affect the performance of the Brita filter. Make sure your faucet or water source has adequate pressure for optimal filtration.

If you encounter persistent issues or have specific questions about your Brita water filter, referring to the user manual or contacting Brita customer support can provide more detailed guidance and assistance.

New Brita Filter Not Letting Water Through

If your new Brita filter is not allowing water to pass through, there are a few troubleshooting steps you can try:

  1. Soak the filter: Before using a new Brita filter for the first time, it’s recommended to soak it in cold water for about 15 minutes. This helps to activate the filter and remove any carbon dust. Ensure that the filter is fully submerged during the soaking process.
  2. Check installation: Make sure that the filter is properly installed in the pitcher or dispenser. Follow the instructions provided by Brita to ensure correct installation. Sometimes, a misaligned or improperly inserted filter can prevent water from flowing through.
  3. Remove air bubbles: Air bubbles can sometimes get trapped in the filter, hindering water flow. After soaking the filter, tap it gently against a sink or countertop to release any trapped air bubbles. This can help improve the filter’s performance.
  4. Flush the filter: If the above steps don’t resolve the issue, try flushing the filter. Run water through the filter for a few minutes to remove any remaining carbon dust or impurities that could be causing the blockage. This can help clear the filter and improve water flow.

Remember to follow the specific instructions provided by Brita for your particular filter model, as different filters may have slight variations in installation and usage.


The filtration rate of your Brita filter can be influenced by various factors, leading to either fast or slow filtering. Understanding the reasons behind the speed can help you troubleshoot and resolve any issues.

Whether it’s air blocks, sediment levels, faulty installation, or other factors, there are solutions available to address the problem.

By following the recommended steps, such as soaking the filter, replacing it on time, and maintaining proper water pressure, you can optimize the performance of your Brita filter and ensure efficient filtration.


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