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A pH refresher (was) Re: Jim's Energy Miracle-Gro Wash

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  • waljaco
    Dr Cone was referring to a high sugar wash. High sugar washes can suddenly drop to below pH3 and Dr Cone recommends monitoring and adjusting to prevent this.
    Message 1 of 5 , Jan 27, 2010
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      Dr Cone was referring to a high sugar wash. High sugar washes can suddenly drop to below pH3 and Dr Cone recommends monitoring and adjusting to prevent this.
      pH5-5.5 is definitely recommended for rum washes to get a good flavor profile.
      wal

      --- In Distillers@yahoogroups.com, "gnikomson2000" <gnikomson2000@...> wrote:
      >
      >
      >
      >
      > --- In Distillers@yahoogroups.com <mailto:Distillers@yahoogroups.com> ,
      > "B Stinga" <bbstinga@> wrote:
      > >
      > > Try and keep the pH above 3.4 or yeast can get too stressed. Dr Cone
      > recomends high sugar washes be kept with a pH range of between pH3.4 and
      > pH4.
      >
      >
      >
      > While I don't disagree with the good Dr Cone, I must point out that
      > worts/washes made for distilling really need to attenuate as quickly as
      > possible or troubles creep in. Highly sugared or highly acidic worts
      > can really slow down yeasts' metabolism rate (even produce unwanted
      > by-products).
      >
      > The best pH level for worts/washes meant for distilling is in the range
      > 5.0 to 5.5, just acidic enough to deter competing spoilage microbes, but
      > not acid enough to retard the yeast (which obviously handles acid
      > conditions better than microbes).
      >
      > pH is not very well understood by the layman, so here's a brief
      > "heads-up"...
      >
      > What is pH?
      > Acidic and basic are two extremes that describe chemicals, just like hot
      > and cold are two extremes that describe temperature. Mixing acids and
      > bases can cancel out their extreme effects; much like mixing hot and
      > cold water can even out the water temperature. A substance that is
      > neither acidic nor basic is neutral.
      >
      > The pH scale measures how acidic or basic a substance is. It ranges from
      > 0 to 14. A pH of 7 is neutral. A pH less than 7 is acidic, and a pH
      > greater than 7 is basic. Each whole pH value below 7 is ten times more
      > acidic than the next higher value. For example, a pH of 4 is ten times
      > more acidic than a pH of 5 and 100 times (10 times 10) more acidic than
      > a pH of 6. The same holds true for pH values above 7, each of which is
      > ten times more alkalineĀ—another way to say basicĀ—than the next
      > lower whole value. For example, a pH of 10 is ten times more alkaline
      > than a pH of 9.
      >
      > Pure water is neutral, with a pH of 7.0.
      >
      > Sugar cane juice ranges between 4.9 and 5.5
      >
      > White grape juice varies, but is usually between 2.6 and 3.5
      >
      >
      >
      > HTH
      >
      >
      >
      > Slainte!
      > regards Harry
      >
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