Including filter system and high-performance Nitrite filter.
Nitrite is a nitrogen-based compound that can enter drinking water when the local nitrogen cycle is disrupted—commonly from things like fertilizer runoff, septic system impacts, or decomposing organic matter that reaches groundwater. Because nitrite is colorless and usually has no noticeable taste or smell, it can be present without any obvious signs; the only way to know is to have your water tested by a qualified lab or service.
In St Augustine South and nearby parts of St. Johns County, homeowners on private wells often include nitrite in routine water testing, especially after heavy storms, changes to nearby properties, or shifts in land use. Even if you’re on municipal water, testing can provide peace of mind—nitrite and nitrate are closely related and can interconvert under certain conditions, so identifying which one is present helps determine the correct treatment.
To reduce nitrite consistently throughout the house, the most effective single-filter solution is a whole-house reverse osmosis system. RO uses a semi-permeable membrane to remove many dissolved ions, including nitrite, rather than relying solely on carbon filters that target taste and odor. A whole-home RO installs at the main line so treated water reaches kitchen fixtures, bathrooms, and appliances—important in our hard-water St Augustine South area where fixtures already face mineral scale.
A correctly configured reverse osmosis setup for nitrite removal includes prefiltration to protect the membrane and postfiltration to polish the water. Proper sizing and flow capacity matter so you maintain good pressure across your St Augustine South home, and membranes need routine care to avoid fouling—especially in humid coastal areas where corrosion and mineral buildup can be factors. Mr. Pure Water will review your water test and household needs to recommend the right whole-house reverse osmosis configuration.