Phone: 305-404-8790
info@bestwaterheater.com
Phone: 305-404-8790
info@bestwaterheater.com
Phone: 305-404-8790
info@bestwaterheater.com
Including filter system and high-performance 4:2 FTS filter.
4:2 FTS is one of the PFAS chemicals that can travel through soils and water and end up where homeowners test. In Key West, people often become aware of concerns through utility updates, private well checks, or real estate inspections. Because you can’t see or taste 4:2 FTS, many residents prefer to limit exposure in drinking, cooking and bathing water for peace of mind. Effective steps start with treatment designed specifically for PFAS rather than only sediment, taste or scale control.
Since 4:2 FTS belongs to the broader PFAS family, it’s commonly discussed alongside other fluorinated compounds when test results arrive. Typical carbon pitchers, water softeners and sediment filters don’t reliably remove PFAS on their own. The most dependable strategy for Key West homeowners is whole-house treatment at the main line so every tap — from your kitchen near Duval Street to an outdoor hose exposed to salt air — is covered instead of relying on a single under-sink device.
To reduce 4:2 FTS throughout a home, the top whole-house option is a high-capacity granular activated carbon (GAC) system specified for PFAS treatment. Activated carbon can adsorb many PFAS chemicals, but it only works well when the tank has enough carbon volume and the water spends sufficient contact time in the media. For meaningful whole-home reduction—especially in a place with moderate water hardness like Key West—a full-size tank-style or backwashing GAC unit is usually more effective than small inline cartridges, and correct sizing helps the media perform longer between services.
A whole-house GAC system is plumbed on the main supply so it treats water for showers, laundry, sinks and kitchen use all at once, which matters for coastal homes where salt air can speed corrosion. These systems are typically installed with a sediment prefilter to protect the carbon bed from clogging and channeling. For contaminants such as 4:2 FTS, routine maintenance is as important as the initial design because spent carbon won’t continue to adsorb PFAS. Mr. Pure Water can help Key West homeowners choose and size the right GAC system for local flow rates, moderate hardness and household needs.
305-404-8790
info@bestwaterheater.com
