Carbon Filtration Systems for Cleaner, Better-Tasting Water
Carbon Cartridge Filters
Carbon Filtration
If your water has an unpleasant taste, odor, or chlorine smell, a carbon filtration system may be the solution. Activated carbon filtration is one of the most effective and widely used methods for improving water quality in homes across the United States.
At H2O Care, we design and install advanced carbon water filtration systems for whole-home and point-of-use applications. Whether you need a drinking water filter for your kitchen sink or a whole-house carbon water filtration system, we help you choose the right solution for long-term performance. Contact us today to schedule a free water test!
How Activated Carbon Filtration Works
Activated carbon filtration works through a process called adsorption. As water passes through the carbon media, contaminants adhere to the porous surface of the activated carbon.
Activated carbon has a very large surface area, and its network of tiny pores enhances its adsorptive capacity. This allows it to capture dissolved chemicals, organic compounds, and certain impurities that affect water taste and odor.
In a properly designed carbon filtration system, water flows evenly through the media to ensure maximum contact time and contaminant reduction.
What Do Carbon Filters Remove?
Carbon filtration systems can reduce or remove many common water contaminants, including:
- Chlorine
- Chloramine (when catalytic carbon is used)
- Contaminants that cause bad tastes and odors (such as hydrogen sulfide that causes a rotten egg smell)
- Volatile organic compounds (VOCs)
- Pesticides and herbicides
- Solvents (degreasers, cleaning agents)
- Gasoline compounds
- Some industrial chemicals
- PFAS
- Radon (in optimally designed GAC systems with large carbon beds and long contact time)
- Trihalomethanes (THMs)
Carbon filtration is especially helpful in homes that use municipal water treated with chlorine or chloramine for disinfection.
Types of Carbon Filters
There are several types of carbon filtration systems, and the right choice depends on your water source and goals.
Granular Activated Carbon (GAC) Filters
A granular activated carbon water filtration system uses loose carbon granules inside a tank or cartridge. Water flows through the bed of carbon, allowing contaminants to adhere to the surface. GAC systems are common in both whole-home and point-of-use applications.
Carbon Block Filters
Carbon block filters are made from compressed carbon. They typically provide finer filtration and can capture smaller particles compared to standard GAC systems. Reverse osmosis (RO) water filtration systems often include both pre- and post- carbon block filters to protect the RO membrane and polish water after filtration.
Catalytic Carbon
Catalytic carbon is specially treated to improve its ability to break down chloramine. Many municipal water supplies use chloramine instead of chlorine for disinfection.
The distinction between activated carbon filters and catalytic carbon is an extra treatment step. Catalytic carbon goes through the activation process but is treated again to become a catalyst (a material that speeds up the pace of a chemical reaction without experiencing any lasting chemical change itself). This additional step allows carbon to bond with chloramine and remove it from your water supply. Non-catalytic carbon does not have the same bonding properties for this purpose.
Understanding Carbon Filter Ratings
There are typically two ratings used to determine the effectiveness of carbon filters:
- Nominal Filter Rating: A filter with a nominal rating removes approximately 85% of particles of a specified size (measured in microns) and larger. For example, a filter with a nominal rating of 1 micron will remove 85% of particles that are 1 micron or larger.
- Absolute Filter Rating: This level of filter will remove 99.9% of particles of a specified size and larger.
Understanding these ratings helps you understand what level of particle reduction you can expect from your carbon filtration water system.
Where Can You Install a Carbon Filter?
Carbon filtration systems can be installed in several locations, depending on your needs.
Whole-Home Installation
A whole-house carbon water filtration system is installed at the point where water enters your home. This protects every faucet, shower, appliance, and fixture. It is ideal for improving taste and odor throughout the house and reducing chlorine exposure.
Under-Sink Systems
Under-sink systems treat water at a single tap, typically the kitchen sink. These are popular for drinking and cooking water applications.
In-Line or Appliance-Specific Filters
Carbon filters can also be installed for refrigerators, ice makers, or specific plumbing lines. H2O Care designs carbon filtration systems for New Hampshire, Rhode Island, Massachusetts, and Maine residents to match each customer’s plumbing layout and needs.
Professional Installation & Maintenance
Like all water treatment systems, carbon filters require routine maintenance. Over time, the carbon media becomes saturated and must be replaced to maintain effectiveness. H2O Care provides:
- Professional system sizing and installation
- Carbon media replacement
- Performance testing
- System inspections and upgrades
Our experts handle every aspect of installation, from water testing to plumbing connections. Ongoing maintenance from our team ensures your activated carbon filtration system continues working as designed.
Schedule Carbon Filter System Installation
If you’re concerned about chlorine, taste or odor issues, or even chemical contamination, H2O Care can help. Our experts install advanced carbon filtration systems in Rhode Island, Maine, Massachusetts, and New Hampshire. With over 30 years of experience in water quality services, you can rely on our professionals.
Contact H2O Care today to schedule your water test and learn whether a carbon filtration system is right for your home.