Having had extensive problems making clear CS for almost a full year
after I started, with 3 different generators, maybe I can shed some light.
It has been said many times that most people can make clear CS perfectly
well, with no unusual precautions or handling using DW that is anything
up to 3.0 uS.
In my case, I have to be scrupulous about the cleaning and handling
(i.e. none at all, after cleaning my brew jars) of my equipment, this
includes never touching the electrodes with bare fingers. Even as
careful as I am, I will get yellow CS if I use anything but twice
distilled water of no more than .4 uS................... .4 uS water
that is only once distilled will make yellow CS for me. Commercially
sold distilled water was never pure enough so I now use a basic 1 gallon
still. For a long time, I could distill filtered cold tap water and it
would come out .2 or .3 uS. Though they insist not, something is
diffferent in the town water processing, because now I have to run the
water through the still twice to get it to .4 uS . It is a pain, but
since I have to distill twice anyway, I now use unfiltered hot water for
the first run through, which does shorten the time required. In fact, in
the past year, even a single run through starting with unfiltered hot
water gives the same or lower uS than one run through of filtered cold
water. Maybe the mfr of the water filters has changed their product.
Whatever, it is strange.
The only thing I can conclude is that something either in the air in the
area, or in my house specifically, or in the water itself (something
that does NOT distill out, nor read on a PWT) causes the CS making
process to be much more delicately balanced than it is across most other
areas of the U.S. Since I'm the only person I know of in my town who
makes CS, I have no way to check if the problem is unique to my house only.
There are not a lot of us who have this much trouble, but don't assume
that because you have it easy, everyone does :-)
Being insatiably curious, I do wish I could someday get to the root of
why you have no problem and I have to be so ultra careful and
meticulous. Believe me, I would not be so careful if it didn't matter.
sol
bob smith wrote:
I can't figure out why I have never in 3 years had a problem with a batch.
I have made it from the max range of the SG6, about 20 PPM down to 5 PPM. I
was told the first thing I needed was a bottle brush. I never got one.
Instead I got a case of new mason jars. All I have ever done was rinse them
well with DW. The jar I use for brewing has a dark yellow collor, but when
I decant the EIS it is always clear. I am sure the Silver Puppy will do the
same. Bob Smith
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