How Does Reverse Osmosis Work?

Water flow through a Reverse Osmosis Cartridge.

A reverse osmosis system uses pressure to force water molecules through a semi permeable filter with microscopic pores that are so small they only allow the smallest molecules, like water …


How Small is a Water Molecule?

Water Molecule Close Up

So, how big is a single water molecule? The quick answer is:   The diameter of a water molecule (H2O) is closely calculated to be about 0.000282 µm (micrometers – …