Imagine you have a very picky bouncer at a club. That’s the RO membrane. It lets water molecules slip through a semi-permeable membrane, but it blocks larger molecules and ions—like fluoride. Fluoride ions are just too big and too charged to squeeze through those microscopic pores.
In fact, studies show that RO systems can remove 85–95% of fluoride, depending on water pressure, temperature, and how well you maintain the system. Pretty impressive, right? It’s like fluoride tried to crash the party, but the bouncer said, “Not tonight, pal.” 💧
But Wait—There’s a Catch (Isn’t There Always?)
Here’s the ironic part: while RO is a fluoride-removal rockstar, it’s also a bit of a bully to other good stuff. It strips out healthy minerals like calcium, magnesium, and potassium. Your water becomes so empty it’s practically a blank slate—which is great if you hate minerals, but bad if you actually want, you know, nutrition.
Oh, and RO systems waste water. For every gallon of filtered water you get, about 3 to 4 gallons go down the drain. That’s a lot of H₂O just to say goodbye to fluoride. Your water bill might cry a little. 😅