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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