is the sulfate or sulfide whatever it is harmful to health in anyway?

--
billb
"If you want to prove that god is not dead first prove that man is
alive."
"Zack S" > wrote in message
om...
> "Tom S" > wrote in message
m>...
> > "billb" > wrote in message
> > news:Veszc.110$Gy.65@fed1read03...
> > > I read that grape juice has all the nutrients yeast needs.
> >
>
> The perfect grape will have the perfect nutrients for the perfect
> yeast. Unfortunately little in the world is perfect and nutrient
> hungry yeast stains will produce unintended by products if they are
> deprived of specific nutrients. Among these is certainly Nitrogen,
> which can be suplimented with DAP or with the amino acid content of
> inactivated yeast hulls (ghosts). The best solution would be a mix
of
> both, because it both will provide nutrient and the yeast hulls
will
> also absorb toxins and pull them to the bottom of the fermenter.
> In the future it is prudent to add at 1/3rd sugar depletion a
> "complete" nutrient (Fermaid K, Super food) that contains DAP as
well
> as essential vitamins like Pentothenic acid and Thiamine which are
> proven to avoid H2S production. These nutrients also reduce the
risk
> of stuck ferments.