We have found that the Crystal Brand of distilled water is better than others. The others didn't make as good of CS.
> Date: Tue, 4 Jun 2013 19:58:49 +0200 > From: andreas.h...@laposte.net > To: silver-list@eskimo.com > Subject: Re: CS>Checking distilled water quality > > Hi Jason, > Thanks for the fast reply. Since the bottle of store bought stuff says > "not for drinking," are there any unhealthy contaminants that would still > pass the conductivity test? > > The brewed CS is too conductive for my conductance tester, using an > ohmmeter produces a resistance of around 40k ohms. I did wash out the > glass in question thoroughly and then rinsed it with distilled water > before brewing, so there's little chance of anything substantial having > stayed behind on the glass. > > > On Tue, 4 Jun 2013, Jason wrote: > > > Hi Andreas: > > > > A PWT reading of 0.5 uS is great... perfect for making CS. > > > > You can also check the pH (although I'm usually dissapointed with store > > bought water pH) if you're worried about the quality. > > > > The distilled water that I make at home is 0.3 uS, pH ~7.0. > > > > I think that most of the commercial steam distillers must leave their > > production vessels open to air, as it usually tests acidic. However, CO2 > > doesn't seem to really affect the production process, unless high voltage > > is > > used (which pulls nitrogen from the air into the water, also making the end > > product acidic). > > > > Most home brew production setups result in some oxidized silver residue > > settling on the bottom of the container. > > > > Test the conductivity of your final brew to be certain that your container > > didn't have some residue, and then use a laser light to look for > > particulate > > silver (and see how many, if any, large particles of silver are in the > > brew). > > > > It's not a perfect science, but with practice you'll be able to tell a > > fantastic batch of CS in comparison to a mediocre (or bad) batch. > > > > Kind Regards, > > > > Jason > > > > > > On 6/4/2013 10:23 AM, Andreas Hahn wrote: > >> Hi, > >> I would like to use store-bought distilled water for making CS. Testing > >> with a conductance meter reveals very low conductance (0.5 > >> microsiemens). Is there any other thing to check? > >> > >> I made about 200ml CS in a glass with it and it produced a brownish > >> particulate residue that settled to the bottom. I'm not experienced with > >> making CS, so I don't know whether this is normal or indicative of bad > >> water. > >> > >> > >> > >> -- > >> The Silver List is a moderated forum for discussing Colloidal Silver. > >> Rules and Instructions: http://www.silverlist.org > >> > >> Unsubscribe: > >> <mailto:silver-list-requ...@eskimo.com?subject=unsubscribe> > >> Archives: http://www.mail-archive.com/silver-list@eskimo.com/maillist.html > >> > >> Off-Topic discussions: <mailto:silver-off-topic-l...@eskimo.com> > >> List Owner: Mike Devour <mailto:mdev...@eskimo.com> > >> > >> > >> > > > > >