Water Filtration · Nashville, TN
Reverse Osmosis in Nashville
Under-sink and whole-home RO for drinking and cooking water, with the remineralization that makes it taste like water.
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Reverse Osmosis in Nashville, Tennessee
Under-sink and whole-home RO for drinking and cooking water, with the remineralization that makes it taste like water.
Nashville's Water Filtration does reverse osmosis for homeowners across Middle Tennessee — licensed, insured, with the price in writing before the work starts. Water treatment specialists who test first, size the system to the house, and tell you what the water actually needs.
Why homeowners call
Signs that lead people to this service
- Spots on glasses and fixtures
- Water smells of chlorine or sulfur
- Soap will not lather
- Staining in sinks and toilets
- On a well and unsure what is in it
- Buying bottled water for drinking
What is included
What goes into reverse osmosis, from test to hookup
- Under-sink RO for drinking and cooking water
- Whole-home RO where the source water requires it
- Remineralization stage so the water tastes like water
- Dedicated faucet fitted, or plumbed to the existing tap
- Fridge and ice maker fed from the RO if you want it
- Membrane and pre-filter change schedule
Installing reverse osmosis: the plumbing, the drain, the settings
Reverse osmosis is the most thorough treatment available at household scale and it removes almost everything — including the minerals that make water taste like water. A remineralization stage puts those back, and skipping it is why some RO water tastes flat.
It produces waste water as part of how it works. A well-set-up system has a reasonable ratio, and one that is wasting several gallons per gallon produced usually needs a new membrane or a pressure check.
Also available
Systems we install alongside this one
Water Testing
A proper test of what is actually in your water — hardness, chlorine, iron, sulfur, bacteria — before anything is recommended.
Learn moreWhole-Home Filtration
Carbon and sediment filtration at the point of entry, sized to your household and your flow rate.
Learn moreWater Softeners
Sized to your hardness and water use, so it regenerates on demand rather than on a timer that wastes salt and water.
Learn moreWell Water Treatment
Iron, sulfur, sediment and bacteria addressed in the right sequence, which matters more than any single unit.
Learn moreService, Filters & Salt
Filter changes, media replacement, sanitizing and salt delivery on a schedule so the system keeps working.
Learn moreService area
Water we test from the city to the county wells
We test and install in Nashville and 64 additional towns in 12 counties. On city water or a well, a Middle Tennessee home no farther than about an hour from Nashville is covered.
FAQ
Reverse Osmosis questions, plainly answered
What does reverse osmosis remove that a filter does not?
Dissolved solids — the minerals, salts, fluoride, nitrates, lead and other things that pass straight through carbon. It forces water through a membrane fine enough to stop them, and it is the treatment for drinking and cooking water where the test shows something a filter cannot touch. It is slow, it wastes some water to drain, and it is usually an under-sink unit at the kitchen tap.
Does reverse osmosis water taste flat?
It can, because the minerals that give water its taste are removed along with everything else. A remineralization stage puts a measured amount of calcium and magnesium back, and the water tastes like water again. It is a standard part of a good RO system and it is the reason some people dislike RO water from a system that did not have one.
Free estimate
Put reverse osmosis on your water line
Tell Nashville's Water Filtration what you notice in the water and whether it comes from the city or a well. A written estimate follows, free, and you owe nothing for asking.