Including filter system and high-performance PFUnA filter.
PFUnA is one of the PFAS chemicals homeowners ask about when researching persistent, hard-to-remove contaminants in drinking water. It can get into water supplies through industrial uses or the breakdown of related fluorinated compounds and tends to persist rather than break down quickly. Residents around Killarney — many of whom draw from the Floridan aquifer, a mineral-rich source prone to hard water — often hear about PFUnA after a utility notice, news coverage, or private testing. If you’re worried, it’s best to consider treatment options that are designed specifically to reduce PFAS.
PFUnA is usually found at very low concentrations, so you’re unlikely to see, smell, or taste it in tap water in Killarney. That makes it hard to know what’s in your water without testing. PFAS such as PFUnA behave differently from familiar issues like chlorine taste, sediment, or the hard-water scale common in Orange County homes, so basic cartridge filters often won’t address them. A whole-house system can be a practical way to lower exposure from drinking, cooking, showering and everyday use throughout the house.
For whole-house reduction of PFUnA, residential systems most commonly rely on a high-quality granular activated carbon (GAC) filter as the single most effective option. GAC media offers extensive surface area to adsorb many organic compounds, including a variety of PFAS. With PFUnA, how well carbon performs depends on using the right carbon type, providing enough contact time, and keeping appropriate flow rates — which is especially important for Killarney homes drawing hard, mineral-rich water from the Floridan aquifer. That’s why a properly sized whole-house carbon tank usually outperforms small, fast-flow cartridges.
At Mr. Pure Water we typically address PFUnA with a whole-house GAC system installed at the main water entry so treated water reaches every tap and appliance in Killarney. Systems are sized to match household water use and local conditions — including hard water — to avoid short contact times that reduce PFAS capture. Like all adsorption media, carbon needs regular maintenance and scheduled media replacement to maintain performance as it becomes loaded. If you have a recent water test, we’ll use those results to recommend the right whole-house GAC configuration for PFUnA reduction.