Hi,
Reverse osmosis water still has the dissolved components, organic and/or
mineral, that are able to pass the R.O. barrier; these are small ionic
(usually) parts of compounds which can squeeze through the pores of the
RO membrane under pressure or by diffusion. They are often removed by
putting a De-Ionizing cartridge into the system following the RO
cartridge. The DI cartridge has resin beads in it much like a home water
softener, but a mixture of both positive and negative ion trapping beads
rather than a single polarity like the usual home setup. In my own system
I measure perhaps 20 micro-Siemens conductivity after RO, but less than
0.1 micro-Siemens after a pass through the DI cart.; not surprising
considering that the DI's job is to remove conductive ions, yes?
On the question of the presumed acidity of pure water; generally what is
measured is the presence of slight amounts of dissolved carbon dioxide -
i.e., carbonic acid - which results from the water being exposed to plain
old air for a few minutes. This is hard to avoid. In any case it is
thoroughly inconsequential since any imagined effects could be completely
circumvented by eating a small sprig of parsley or a nibble of broccoli, or
for that matter simply relying on the rich soup of one's own stomach
contents. This is not to say that there is no such thing as mineral
deficiency in diets and people, but such are relatively massive lacks and
best addressed through dietary supplementation; drinking a little DI water
isn't going to make a measurable diff.
Regarding your questions;
1) I don't know, haven't measured it, expect it varies, but possibly it
will be "acid" since silver is a metal; one question is, are we making
more dissociated silver hydroxide or hydrogen argide? OTOH, the particles
(having just addressed the indeterminate nature of the ions) are generally
assumed to have a negative potential, so I'd come down on the side of "acid".
2) Generally I drink RO water, cook with "tap" water since my tap water is
pretty good (except after the first rain of winter) and comes from my
spring, and go back and forth between tap, RO and RO + DI just to see what
diff in taste I can detect; coffee tastes better made with plain RO.
3) Dunno, but . . . the skin, as the largest 'organ' of the body both
excretes and absorbs water, and is a high quality RO membrane in its own
right. Beyond that, several members most notably Brooks Bradley, have
recommended gatorade or other similar balanced electrolytes as the best way
to re-hydrate; I'd take his word on it.
Hope this helps, take care, Malcolm
At 03:33 PM 5/5/06 -0400, you wrote:
Hi everyone:
My CS production seems to be going very well, thanks to all who provided a
helping hand. However, now, I have a question about water. In all the
sources I have checked about the kind of water to be used for CS, they
recommend distilled water. A friend of mine was asking me if 'reverse
osmosis' could be used as well, and this is what prompted me to embark
onto yet another search on water quality.
What I found suggests - and not surprisingly so - that distilled and
reverse osmosis water are devoid of minerals. This absence of minerals is
then said to contribute to these types of waters having an acidic
PH. Now, if I remember correctly (and please correct me if I am wrong),
when the body is fed large amounts of acidic substances, minerals are
leached from bones, teeth, etc. to 'buffer' this acidity to re-establish
an internal PH balance. In this respect, is then seems that
distilled/reverse osmosis water is more hurtful than beneficial for the
human body. Any thoughts?
My questions are as follows:
1) It is recommended to use distilled water for the production of CS to
prevent harmful reactions that may occur with the presence of other
minerals in the water (so I've been told). What is the PH of the
resulting CS solution?
2) When you drink water which doesn't contain silver colloids, do you
still drink distilled water? 'Reverse osmosis' water? Or mineral water?
(no point mentioning tap water)
3) Which type of drinking water, in your opinion, is best to hydrate the
body (when ingested of course)?
Maryau
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