Including filter system and high-performance Selenium filter.
Selenium is a naturally occurring element that can wash into water when it dissolves from certain rocks and soils or through some agricultural and industrial runoff. In very small amounts it’s part of normal nutrition, but drinking water isn’t a controlled source, so higher concentrations are something homeowners should take seriously. Because selenium is colorless and tasteless, the only reliable way to know if it’s in your supply is to test, and if levels are elevated you’ll want treatment that specifically targets it.
Selenium can exist in several chemical forms in water, and those differences affect how easy it is to remove. Standard whole-house systems that focus on chlorine, odor, or sediment won’t necessarily capture dissolved selenium compounds. That’s why in Esto we start with a clear picture of your water chemistry, then select media and system components matched to those conditions. With the right plan in place you can reduce selenium for drinking, cooking, bathing, and laundry at every tap in the house.
For whole-house treatment, the single filter type most effective for selenium reduction is a reverse osmosis system configured for point-of-entry service. Reverse osmosis forces water through a semipermeable membrane to separate dissolved contaminants like selenium—something basic carbon filters aren’t designed to do. A proper whole-house RO installation includes prefiltration to remove sediment and protect the membrane from chlorine, so the system can perform reliably and deliver treated water throughout your Esto home.
Because selenium’s behavior depends on its chemical form and the broader water chemistry, a whole-house RO needs to be sized and plumbed for your household flow and source water conditions. Pretreatment helps prevent fouling and scaling that shorten membrane life, and regular maintenance keeps removal consistent over time. Mr. Pure Water can assess your Esto water and recommend a whole-house reverse osmosis setup that fits your home and delivers dependable selenium reduction without disrupting daily use.