Including filter system and high-performance Strontium-90 filter.
Strontium-90 is a radioactive form of strontium that can occur in water at trace concentrations and behaves much like calcium. Because it moves with dissolved minerals, it can travel through groundwater and enter a residence via the main service line. You won’t detect it by taste, smell, or sight, so the only reliable way to know whether it’s present in Fort Jefferson’s water is a radionuclide-focused water test.
People in Fort Jefferson use the same water for drinking, cooking, making ice, bathing, and oral hygiene, so any contaminant found at the source can affect everyday activities. If testing shows elevated strontium-90, the aim is to treat water before it reaches fixtures so the whole household is protected. Point-of-use filters can safeguard a single sink, but they won’t cover showers, laundry, or outdoor faucets—what a whole-house system delivers at the entry point offers consistent protection across all uses.
When treating strontium-90 for the entire home, a whole-house water softener that uses ion exchange is often the most effective single-filter option. The resin in a softener swaps certain dissolved ions for sodium or potassium and can also capture positively charged contaminants like strontium, so chemically similar elements are reduced by the same exchange process. For Fort Jefferson properties—where water is limited and systems are managed on-site—an ion exchange softener is a practical choice to treat water at the point it enters the building.
To be effective on an island location such as Fort Jefferson, an ion exchange softener needs to be sized to your household’s water use and the overall mineral load. The resin is restored through regular regeneration with salt or potassium, and routine maintenance helps sustain performance—especially important in a marine, tropical maritime climate where corrosion and sediment may be concerns. Prefiltration can protect the media from sediment and extend life; Mr. Pure Water can examine your test results and on-site conditions and recommend a whole-house setup that targets strontium-90 without unnecessary complexity.