Does RO water remove healthy minerals too?
Three stages. Nothing left to chance.
Sizes approximate · log scale. The pore is ~0.1 nm — far smaller than the contaminants above, so only water passes through. Anything small enough to slip past is then caught by activated carbon and UV-C.
Too big to pass
Reverse osmosis doesn't rely on chemistry to trap contaminants — it relies on physics. The membrane's pores are roughly 0.1 nanometres wide. Water molecules are small enough to squeeze through. Almost nothing else is.
A parasite is around 100,000× larger than the pore. A microplastic particle or a bacterium, tens of thousands. Even most pesticide, PFAS and pharmaceutical molecules are several times too large to fit through the opening. So instead of reaching your glass, they're rejected at the membrane and flushed away with the drain stream.
And the rare few small enough to slip through don't get a free pass. The activated carbon stage captures chlorine, taste and dissolved organics, while UV-C light neutralises any microbe that makes it past the membrane — three barriers, not one.
Illustrative comparison based on published size ranges for parasites, bacteria, viruses and molecules. Individual contaminants vary.
Why Nord Osmosis™?
Why Remineralize?
Meet One Mineral Restore™
No installation. No plumber. No landlord call.
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Your filter tells you when it's time.
A tank you can actually clean.
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Portable, Food Graded .
Designed for Europe. Certified for Europe.
NSF/ANSI 58 Certified RO Membrane