All distilled water is potable, but not all potable water is distilled. The point I'm trying to make is its easier to make potable water than it is to make distilled water.

Distilled water, lacking minerals, is gross.

EDIT: [url=http://en.wikipedia.org/wiki/Distilled_water#Equipment_to_distill_water]Facts![/url] and [url=http://www.practicalprimitive.com/skillofthemonth/charcoalfilter.html]More Facts![/url]