Sheldon wrote:

> Mr Libido Incognito wrote:
> > Distillation would in effect sterilize it.
>
> Not true. Not unless conducted entirely under sterile conditions
> including packaging that is also hermetically sealed. Most distilled
> water sold is not sterile. During distilllation the heating process
> sterilizes but usually the condensation process undoes the sterility.
> Most consumers want sterile water so that it's mineral free but are not
> interested in whether the water for their steam iron is sterile too.

My home distiller has an activated charcoal filter. The charcoal has to be
changed every few months. Apparently it becomes a breeding ground.