OH NOES! Not this topic again.
/limp wrist
Distilled water=taking the steam of boiled water, so although Metric is one
of my favorite bands, what they described above is just 'aging' tap water, not distilling.
Although many people use aged tap water, I strongly advise against it.
However, it really does depend on the quality of your tap water, which
is different in every single city that exists. If you have a top-of-the-line
filter system in your city, then aged tap water shouldn't be a problem....
if you live downstream from ranchland, have an outdated filter system,
have very old and outdated pipes, or have the possibility of burst pipes
anywhere in your city where stuff can get in, or if you are ever on boil advisories,
or anything questionable, then use reverse osmosis or bottled water.
You can buy any quantity of distilled water, maybe add something to it
like calcium (Exo-Terra makes liquid calcium conditioner for reptiles).