...and how long do they have to stay submerged in water before they can
release useful quantities of minerals?
Cheers
Antonio
-----Original Message-----
From: Lawrence F. London, Jr. <lflj@intrex.net>
To: permaculture <permaculture@lists.ibiblio.org>
Sent: Sat, 4 Oct 2008 6:23 am
Subject: Re: [permaculture] purified water
negiliblek wrote:
> Speaking for myself (rather than Toby), I only drink purified water -but I
make sure I have some mineral/calcium source in the water (like oyster
shells).