Be interesting to know what a pH reading of the DW is before any CS is
made.  pH 7.0 is neutral and 5.5 seems to me to be way off the beam..

Regards    Terry

[email protected] wrote:
> 
> Marshall And All;
> 
> I know that Marshall has said several times on this list that the pH of CS 
> should be
> about 7.
> 
> However in the many lots that I have checked for otherss and just after 
> reading his
> post I went through part of my inventory measuring pH with pHydrion Papers 
> with a
> range of 4.5 to 7.5, and measured  12 more samples and everyone checks at 5.5.
> 
> I have never seen anyting in CS that is higher or lower.
> 
> I know Bruce Marx said 7 but I never have seen it. I guess "Ole Bob" just 
> cna't get it
> right. But then I didn't manufacture the papers.
> 
> :Ole Bob"
> 
> Marshall Dudley wrote:
> 
> > Those who are having problems with their CS changing color upon storage 
> > please
> > check the ph.  This can be easily done with inexpensive kits from Kmart or
> > elsewhere for swimming pools or aqauriums.
> >
> > Our research has shown that if CS is acid then it is much less stable than 
> > if it
> > is neutral or basic.  If the problem is that the CS is acid then making it 
> > stable
> > may be as simple as adding a pinch of baking soda to bring it down to 
> > neutral.  We
> > add sodium bicarbonate (baking soda) to our CS/aloe vera mixture for this 
> > very
> > reason since aloe vera tends to be acidic.
> >
> > Marshall
> >
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