When we say “salts,” we’re not just talking about table salt on your fries. We mean the minerals and ions that dissolve completely into water—like calcium, magnesium, sodium, and chloride. Think of them as tiny, invisible hitchhikers.
You’ve tasted them in hard water (that chalky feeling on your hands) or in softened water (that slightly slippery feel). Dissolved salts are everywhere, and while some are harmless, too many can mess with your pipes, your appliances, and yes, your coffee. Reverse osmosis is basically the superhero that stops these hitchhikers cold.
It works by forcing water through a super-fine membrane—like a microscopic sieve with holes so tiny only water molecules can squeeze through. Everything else, including dissolved salts, gets left behind.
The Magic Behind the Curtain
Let’s imagine your water is a crowded party. The dissolved salts are the loud guests who won’t stop talking about their crypto portfolio. The RO membrane is the strict host who says, “Sorry folks, water molecules only—everyone else, please leave by the drain.”
This process removes about 95-99% of dissolved salts. That’s not a guess—it’s backed by science and tested in everything from desalination plants in the desert to your neighbor’s under-sink system. If you’ve ever tasted “dead-quiet” purified water, you’ve tasted RO’s handiwork.
Reverse Osmosis - System, Definition, Process, Uses
But here’s the quirky part: it also removes good minerals like calcium and magnesium. So some folks add a remineralizer afterward just for taste. It’s like throwing the nice guests a separate after-party.