Brita water filters are not designed to remove PFAS (per- and polyfluoroalkyl substances). While Brita filters effectively reduce common contaminants like chlorine and lead, they do not have the specific filtration media required to capture these persistent chemicals. For PFAS removal, you’ll need a filter certified for that purpose.
Understanding PFAS and Water Filtration
PFAS, often called "forever chemicals," are a group of synthetic compounds found in many products. They are known for their resistance to degradation, meaning they persist in the environment and in our bodies. These chemicals can leach into drinking water sources from various industrial and consumer products.
Why Aren’t Standard Brita Filters Effective Against PFAS?
Standard Brita pitcher filters primarily use activated carbon. This material is excellent at adsorbing chlorine, which improves taste and odor, and can also reduce certain heavy metals like lead. However, activated carbon alone lacks the pore structure and chemical affinity to effectively capture the very small and stable molecules of PFAS.
To tackle PFAS, specialized filtration methods are necessary. These often involve activated carbon with specific modifications or entirely different media like ion exchange resins or reverse osmosis systems.
What Brita Filters Can Do for Your Water
While PFAS removal isn’t their forte, Brita filters offer significant benefits for everyday drinking water. They excel at improving the palatability and safety of tap water by reducing common contaminants.
Common Contaminants Reduced by Brita Filters:
- Chlorine: This is a primary target, leading to better-tasting water.
- Lead: Brita filters can reduce lead, which is crucial for health, especially in older plumbing.
- Mercury: Some Brita filters are certified to reduce mercury.
- Cadmium: Another heavy metal that can be reduced.
- Copper: Can be reduced from tap water.
Brita’s Longlast+ filters are specifically engineered for extended use and can reduce even more contaminants than their standard filters. However, it’s important to reiterate that PFAS are not on their certified reduction list.
Choosing a Filter for PFAS Removal
If PFAS contamination is a concern in your area, you’ll need to look beyond standard Brita pitchers. Several types of water filtration systems are certified to remove these chemicals.
Advanced Filtration Technologies for PFAS:
- Activated Carbon Block Filters: These are denser than granular activated carbon and can be more effective. Look for NSF/ANSI Standard 53 certification for PFAS reduction.
- Reverse Osmosis (RO) Systems: RO systems force water through a semipermeable membrane, effectively removing a wide range of contaminants, including PFAS.
- Ion Exchange Resins: These specialized resins can bind to PFAS molecules, removing them from the water.
When selecting a filter, always check for NSF/ANSI certifications. Specifically, look for certifications related to PFAS reduction, such as NSF/ANSI Standard 53, which addresses health effects from contaminants, or NSF/ANSI Standard 401, which identifies emerging contaminants.
Example: Filter Performance Comparison
| Feature | Standard Brita Filter | Brita Longlast+ Filter | Certified PFAS Filter (e.g., RO or specific carbon block) |
|---|---|---|---|
| Primary Goal | Taste & Odor, Lead | Extended Life, Lead | PFAS Reduction, Broad Contaminant Removal |
| PFAS Removal | No | No | Yes (Certified) |
| Chlorine | Excellent | Excellent | Excellent |
| Lead | Good | Very Good | Excellent |
| Cost (Initial) | Low | Moderate | Moderate to High |
| Maintenance | Frequent Replacement | Less Frequent | Varies, potentially more complex |
What to Do If You Suspect PFAS in Your Water
The first step is to understand your local water quality. Many municipalities provide annual water quality reports. You can also get your water tested by a certified laboratory if you have specific concerns.
If testing reveals PFAS above recommended levels, consider investing in a water filtration system specifically certified for PFAS removal. Pitcher filters are generally not sufficient for this task.
Next Steps for Safer Drinking Water:
- Check your local water quality report.
- Consider independent water testing if reports are unclear or you have specific concerns.
- Research water filters certified for PFAS reduction (look for NSF/ANSI Standard 53 or 401).
- Evaluate whole-house vs. point-of-use systems based on your needs and budget.
### Can Brita filters remove forever chemicals?
No, standard Brita water filters are not designed to remove PFAS, often referred to as "forever chemicals." Their filtration technology primarily targets common contaminants like chlorine and lead, not the persistent nature of PFAS.
### What type of filter removes PFAS?
To effectively remove PFAS, you typically need filters employing advanced technologies like certified activated carbon block filters, reverse osmosis (RO) systems, or ion exchange resins. Always look for NSF/ANSI Standard 53 or 401 certifications for PFAS reduction.
### Are Brita filters NSF certified?
Brita filters are NSF certified for the reduction of specific contaminants like lead, chlorine, and mercury, depending on the filter model. However, this certification does not extend to the removal of PFAS.
### How can I test my water for PFAS?
You can test your water for PFAS by contacting a state-certified laboratory that offers PFAS testing services. Your local water utility may also provide information or resources for water testing in your area.
For more information on improving your home’s water quality, you might find articles on choosing the right water filter for your needs or understanding different water purification methods helpful.