3 to 5 ppm is good, anything over 20 ppm is a total waste, for those of you who 
have been led to believe that more is better it's not.
Ted

Ode Coyote wrote:

> "Colloidal Silver by Innovative Natural Products® is produced with Advanced
> Liquid Technology™, using a true Electro-Colloidal Process.
>
> It contains silver
> particles so small that they measure only .001 microns in size.
>
> The tiny size of the
> particles combined with the proper electrical charge makes Innovative 
> NaturalProducts® Colloidal Silver the best product on the market today.
> We do extensive laboratory research that includes measuring PPM (parts per
> million), effectiveness and safety.
>
> The color of Colloidal Silver is also important.
> The darker the solution, the more potent the concentration of silver, as 
> proven in
> labratory testing.
>
> From our research we have determined that many companies
> simply do not know how to manufacture Colloidal Silver properly. As a result, 
> they
> are only able to produce Colloidal Silver at low concentrations. Innovative 
> Natural
> Products Colloidal Silver does not loose its charge and stays suspended in the
> solution at any concentration."
> ################################################################################
> The two above statement are in conflict with each other.
>
> The color of the sol has to do with the particle size, not the concentration. 
> But, as the concentration increases, generally so does the particle size, hue 
> and depth of color. [something that nearly anyone can make being touted as 
> something special and better than the rest?]
>
> Also, the color will stick onto the sides of a glass container in time 
> leaving the CS liquid clear and colorless [have photo]...indicating that 
> perhaps the larger colored particles don't have much or any charge? This 
> colored deposit is instantly dissolved with hydrogen peroxide. Adding a 
> little H2O2 to colored CS will clear the color as well.
>
> The real trick is to make 50 + PPM that has no color. [indicating small 
> particles].
> I have a lab report from the NC state DNR water lab that says 45.5 PPM ... 
> pale yellow [was clear when samples were made but turned pale yellow over 
> night]
> Ole Bob says nonsense.
> Well, I dunno. Since the NC state water lab doesn't do any testing for the 
> public, I have been unable to get the figures re tested. [Samples done "under 
> the table" via a friend that works there] They did require a minimum 8 oz 
> sample.
> Of samples run for different lengths of time..the shortest run was weakest 
> and the longest run was weaker than the middle run time showing that longer 
> is not necessarily stronger. [plate out]
> Don't know what method of testing they used. [precipitate/dry, then weigh?]
>
> So I go with Ole Bobs lower test figures so as to not exaggerate.
>
> Ken
>
> At 11:39 AM 7/31/01 -0500, you wrote:
> >>>>
>
>      The bottle says:
>
>      True Electro-Colloidal Process
>      Pure Silver (50ppm)
>      Advanced Liquid Technology
>      made by Innovative Natural Products, Escondido, CA
>      Low Potency: 50 ppm
>      Other Ingredients: Water
>      1-800-893-7467 M-F 9-4 PST
>      <http://www.inovnatprod.com>www.inovnatprod.com
>
>           Look for the words "Mild silver protien" and /or any sort of 
> additive in any commercial CS claiming over 20 PPM.
>           Much commercial CS is produced by a chemical precipitate method. 
> That s NOT electro- colloidal silver. It is usually bright yellow.
>           Ken
>
>           At 10:17 PM 7/30/01 -0500, you wrote:
>           >>>>
>
>                At Whole Foods in Dallas, TX. 50 ppm is called Low Potency. 
> There are also medium
>                and high potencies by the same company.
>
>                          Does 2 teaspoons of 50 ppm equal 1 teaspoon of 100 
> ppm?
>
>                          Yes, but where are you going to find 100 ppm CS or 
> even 50 ppm???
>
>                     I would be very carefull of it!!
>
>                     "Ole Bob"
>
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--
Ted
Helping Hand Consulting
http://www.helpinghandconsulting.com