Water types, explained

Learn what each water type means, what people commonly look for, and where to find listed stations offering it.

Reverse Osmosis

A membrane treatment used at many refill kiosks.

Water that comes up from the ground on its own.

Higher pH, often remineralized after filtration.

Ion exchange that reduces charged minerals.

Boiled into steam, then condensed.

Naturally rich in dissolved minerals.

Ionized water at the upper end of the pH scale.