turbo yeast farming
- I've read some interesting articles about yeast farming. I'm curious whether any have had good success with it? Specifically in regard to farming turbo's. Appreciate any info to feed my ever inquisitive curiosity. :))
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- Hi King Pin,
farming/harvesting turbos has problems that more
standard sources do not:
1. a major component in the packet is a mixture of
nutrients. So you need to formulate this yourself
(should be info out there somewhere - maybe even on
the packet, I haven't looked recently)
2. a major reason the yeasts work so well is not so
much their strain as the way they are cultured. I
suspect they have a very high glycogen content. This
is important for rapid starting and protection against
One way of getting high glycogen yeasts is to feed
them portionwise sugars while giving them plenty of
oxygen. However, you end up with a lot of healthy
yeast that has temporarily forgotten how to ferment.
You can also tune yeasts to alcohol tolerance by
fermenting to higher and higher abv batchwise.
Unfortunately, they now ferment to high alcohol, but
they are knackered due to low glycogen levels, and
will ferment slowly.
Upshot is, I haven't tried it, and can't be bothered
to. The only thing the yeast has going for it is speed
(so relax, have a homebrew and wait a little longer)
and alc tolerance (get a bigger boiler). There are far
more interesting yeasts out there that will add
flavour to your product - like the "potstillers"
If you really must try, then I suggest using lots of
reused yeast and feed it up to the total amount of
sugar in say 3-4 additions.
Hope this helps,
--- king pin <kingpin_kingpin2001@...> wrote:
> I've read some interesting articles about yeast__________________________________
> farming. I'm curious whether any have had good
> success with it? Specifically in regard to farming
> turbo's. Appreciate any info to feed my ever
> inquisitive curiosity. :))
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> Join the fun.
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