SOLVED...LOL. Well I believe I've solved it anyway, and I only solved it this
morning Dee.
Due to recent comments here regarding pH I thought I'd play around and test
again with another batch, and within minutes the water turned milky...WHAT
THE...??? I knew what was coming next, that dark spot in the centre of the
bottom of the vessel the next day.
I dug deep into my memory bank and remembered I used a pH meter previously, but
like an idiot I returned the test sample back into my brew water prior to
starting the brew process - BIG mistake seemingly.
On contemplating events I came to the conclusion pH meters somehow contaminate
water. I dumped that entire batch down the sink, only about 1200ml, cleaned
the vessel out with paper towel and started again using DW straight out of the
bottle - perfect, clear and as it should be both during and upon cessation of
the brew process.
I did however test the pH of the DW out of the bottle, and of course tipped
that sample down the sink rather than returning it to the DW I intended to
brew, I also tested pH in a batch of EIS that's been in storage for a while. I
did calibrate the El Cheapo EBay pH meter according to instructions initially,
and then rinsed it several times with DW hoping everything was 'good to go'.
Now, I had some samples tested several years ago at an Industrial Complex
laboratory, those EIS samples returned readings between 7.4 and 7.8, besides
other results I wanted, in a clear, a yellow and an amber or tea coloured
solution.
I had this mornings batch tested, and an older sample, plus the DW I used for
this mornings batch. They used some computer program and ancillary equipment
for testing purposes. I labelled them 'A' and 'B', 'B' being this mornings
fresh batch, and just took the bottle of DW to them.
My DW test out of the bottle with meter for sample 'B', this mornings sample =
6.7 Their test on same DW using their equipment = 6.7, all seems well.
I didn't test or document pH of DW in sample 'A' which was an old batch of EIS,
but their test on that sample returned 6.8
Sample 'B', this mornings fresh batch returned 7.0, what it will be in a few
weeks time I have no idea?
I realised this morning that the measuring cup, and the syringe, and the little
circular thingy they inserted into the machine they used could have had
*anything* in them prior to my tests being performed? I also understood DW
would/could vary in quality from batch to batch. This can/could also affect pH
readings. Unless one is looking over "someones?" shoulder and ensuring
everything is as clean and contaminant free as is possible there is not much
point in testing for anything, anywhere? All these facilities and the people
working in them have no understanding our product, hence they would not be as
pedantic and methodical with things as we would like them to be.
So, I'm back to square one in not trusting anything or anyone other than my own
visual observations of my product, and my own determinations on same. I have
not been disappointed yet, and am satisfied with the quality of my product.
I think people can trip up with all the, let's say, "pedantics" of this stuff.
I'm not a happy chappy anyway, I'll just stick to what I've been doing for
years and leave the rest of it for someone else. If it looks like a quality
product, behaves like a quality product, remains visually like a quality
product and is seemingly as efficacious as a quality product...Then it *IS* a
quality product <g>.
When my better half wins that XLotto I may invest in my own personal
laboratory, and get someone who knows how to use it to test stuff for me <g>.
What we would like and what we can get are two entirely different things.
P.S. As a general question for anyone else who may wish to contribute an
answer...Why do pH meters seemingly contaminate water?
N.
Subject: Re: CS>Electrode cleaning?
From: d...@deetroy.org
Date: Wed, 18 Feb 2015 09:23:07 +0000
To: silver-list@eskimo.com
Same here Neville, I just use paper towel and all the grey comes off nicely in
second and I always have clear CS every time. I forgot to ask about your
strange phenomena and how it turned out. So it was never really resolved?
Cèst là vie! Dee
Sent from my iPad
On 18 Feb 2015, at 01:21, Neville <one.red...@hotmail.com> wrote:
It would
