No they don't, 3rd party labs have had to analyze it to find out what it is.
There are numerous reports of SilverOz causing argyria.

Marshall

V wrote:

> http://www.wateroz.com/minerals/Silver.htm
>
> The dont seem to mention what is in it here.
>
> > As far as I know WaterOz never sold any colloidal silver, they only sold a
> > chemical called silver citrate.
>
> > Marshall
>
> > "Jonathan B. Britten" wrote:
>
> >> Long-time list members may recall various postings about a company
> >> called WaterOz.   One repeated claim was the the silver products sold
> >> by this company produced argyria.    Jason Eaton may know most about
> >> this topic.
>
> >> By pure chance I stumbled across a news article about the arrest and
> >> conviction of the company's founder.  See:
>
> >> http://www.tristatenews.com/article_4680.stm
>
> >> A Google search of the founder's name and company will also turn up
> >> some blisteringly strange web sites claiming all kinds of
> >> conspiratorial government actions directed against the founder.   This
> >> is all exceedingly strange stuff, and should be taken with an ocean or
> >> two of salt.
>
> >> The company still seems to be in business, and I have asked for their
> >> comment about the news articles.
>
> >> List members interested in the future of EIS might want to be informed
> >> about this, particularly those who watched the distressing shut-down of
> >> a company called Altcancer.com,  which did not deserve its fate.  As
> >> for WaterOz, I withhold all judgment;  I know nothing about the company
> >> other than what I have read on this list and in the news reports I
> >> stumbled upon today.
>
> >> --
> >> The Silver List is a moderated forum for discussing Colloidal Silver.
>
> >> Instructions for unsubscribing are posted at: http://silverlist.org
>
> >> To post, address your message to: [email protected]
> >> Silver List archive: http://escribe.com/health/thesilverlist/index.html
>
> >> Address Off-Topic messages to: [email protected]
> >> OT Archive: http://escribe.com/health/silverofftopiclist/index.html
>
> >> List maintainer: Mike Devour <[email protected]>
>
> --