Check out the extract below.  The human body wants to have fluids
within the normal range of its electrolytic balance.  Any gross
difference can cause damage, and pain if one has the nerves to feel
it.  CS is essentially distilled water which has no electrolytes,
normal saline solution is what we are shooting for, water with
excessive salt in it has too many electrolytes.

Neville, your investigative method leaves a lot to be desired.  Why
don't you make use of the work of others who have investigated some of
these issues already?

Dan

  http://www.indiana.edu/~nimsmsf/P215/p215notes/LabManual/Lab5.pdf

Tonicity
Living cells have the potential of gaining or
losing water from the surrounding extracellular
fluid through osmosis. The net movement of
water into or out of the cell is driven by
differences in osmotic pressures between the
extracellular fluid and the intracellular fluid.
Thus, the effect that an extracellular solution has
on the osmotic movement of water into or out of
the cell is described by the tonicity of the
extracellular fluid. For example, if the osmotic
concentrations (i.e., total solute concentrations)
of the intracellular fluid and the extracellular
fluid are the same, and none of these solutes can
pass through the cell membrane, then the
osmotic pressures of the intracellular fluid and
the extracellular fluid will be the same, and no
net osmosis will occur. The extracellular
solution is said to be isotonic (“equal tension”,
referring to the equal osmotic pressures). Cells
removed from the body and placed in isotonic
solutions will retain the “normal” shape they
have in the body (Fig 5.4).
If a cell is placed into a solution with a
higher osmotic concentration than the
intracellular fluid (for example, human blood
cells in sea water), then the osmotic pressure of
the extracellular fluid will exceed that of the
intracellular fluid. As a result, water will flow
out of the cell and into the extracellular fluid,
causing the cell to shrink and crenate (Fig 5.4).
In this case, the extracellular fluid is said to be
hypertonic (“greater tension”).
Conversely, if a cell is placed in a solution
with a lower osmotic concentration (for
example, distilled water), then the osmotic
pressure of the extracellular fluid is less than
that of the intracellular fluid. As a result, water
flows into the cell, causing it to swell (Fig 5.4)
perhaps so much that the cell may undergo lysis
(burst). In this situation, the extracellular fluid
is said to be hypotonic.

On Sun, Sep 2, 2012 at 12:06 AM, Neville Munn <[email protected]> wrote:
> Hmmmm, interesting about the eyes too.  I haven't noticed that either.
>
> Surely it can't depend on an individuals makeup or biology, if you get my
> drift?
>
> Perhaps another unanswerable question?
>
> N.
>
>> Date: Sat, 1 Sep 2012 20:36:35 -0600
>> From: [email protected]
>> To: [email protected]
>> Subject: Re: CS>Mixing Salt and CS/EIS
>
>>
>> Neville Munn wrote:
>>
>> > I've never felt anything when snorting EIS? Must depend if one has
>> > some issue going on? I've never had an issue which results in
>> > stinging when snorting?
>> >
>> It stings me! Feels very uncomfortable using EIS straight in my eyes
>> also. But I'd also rather not mix CS with salt, so I add some MSM powder
>> and a few drops of DMSO. Those make it more comfortable for me. The DMSO
>> transports the silver right into the sinus tissues, and the MSM soothes.
>> sol
>>
>>
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