Well,
   I'm still getting CS that is either clear or very slight straw color at shut 
off, but gains color steadily after that, no matter if left if the brew jar or 
decanted into a clean storage bottle. I'm finding that if there is any color to 
it at all it continues to get more and more color in storage, while if it is 
perfectly clear at about 72 hours it will stay clear in storage.........
  My DW measures .3 to .8 uS with my PWT (and I have checked the calibration of 
the meter--it appears to be spot on), I have cleaned my brew jar(s) by every 
method I've ever read on this list, rinsed them umpteen times iwth distilled 
water, replaced brew jars, and on and on. Kept detailed records till I'm sick 
of it, and I still get yellow CS..........Every once in a while I get a clear 
batch--maybe one batch in 12  or even 20.........I'm beginning to think I 
should turn this upside down and try to find out why it ever comes out 
clear......stopping the process earlier does not seem to make much if any 
difference, I've got CS of quite low ppm that is yellow, and one batch of 16.9 
uS that stayed clear.....
  This has been driving me nuts since I started making CS. I have 3 different 
generators now, and get yellow CS with all of them, with the very, very rare 
clear batch......
  If there is contaminant in my DW that doesn't show in uS on the PWT, I don't 
know what it is or what it could be.....I am thinking its environmental maybe 
even unique to my house....but I can't figure out what, I'm now noting the time 
of day when I start a batch and charting that to see if that is a 
factor.....and I'm checking out my cleaning products (I use vinegar and 
peroxide to clean kitchen counters etc---) and will now use only CS spray to 
see if that might be the cause.....
  Should say, I am now home-distilling my own DW, as I thought that ozone in 
commercial DW might be the problem.....it wasn't.....
paula
southwest wyoming
  ----- Original Message ----- 
  From: Ode Coyote 

    I've repeatedly used Food Lion water at 4.5 uS and gotten clear CS with
  the silverpuppy gen, so, it's not necessarily the higher initial
  conductivity that kicks a batch into going yellow but what the higher
  conductivity is caused by. [ie, not so much the contamination itself, but
  what the contaminant is]

   Of course, water without any contaminants won't contain one that will kick
  the batch.

  Ode



  At 08:45 PM 9/26/2003 -0400, you wrote:
  >I use a SilverPuppy and make a gallon at a time in a glass jar.  Use
  >nite-lite heater, and it works good on the gallon size.  I normally make
  >perfectly clear CS with no detectable tyndall. PWT 9-12.  I made two
  >identical batches. One with Crystal Springs Distilled water PWT .05 ,and the
  >other with Winn-Dixie brand dw PWT 1.5.  The .05 was clear and the dw with
  >the PWT 1.5 turned out "straw" color (light yellow)   That was the only
  >difference. Now I know why mine is yellow anyway.
  >
  >
  >----- Original Message ----- 
  >From: "Douglas Haack" <[email protected]>
  >To: <[email protected]>
  >Sent: Thursday, September 25, 2003 3:36 PM
  >Subject: CS>Yellow tinted CS!!
  >
  >
  >> Silver Listers,
  >>
  >> We have discussed the yellow tint many times on the list. I now believe
  >> after some amateur research into Silver Colloid texts the yellowing is due
  >> to
  >> silver lumps, anions, ions whatever the preferred term/s is -- is due to
  >> sliver
  >> sintered off during the brewing electrolosis -- being larger or above 30
  >> Angstroms
  >> and this gives the yellow tint.
  >>
  >> Forgive me if I'm off the mark and do correct me!
  >>
  >> In my own brewing I'm always pleased when my CS remains clear. Although
  >> along the way I've made my share of the 'yellow stuff" and consumed it
  >> anyway!
  >> Haven't game been enough to use H2O2 in my CS. Something to try sometime.
  >> Am familiar with H2O2's other great Oxygen therapy uses.
  >>
  >> I remain yours in SILvation, Douglas Haack
  >>
  >>
  >>
  >> Mike Monett wrote:
  >>
  >> > url: http://escribe.com/health/thesilverlist/m62773.html
  >> > CS>Half gallon brew
  >> > From: Dan Nave
  >> > Date: Thu, 25 Sep 2003 13:02:15
  >> >
  >> >   Hi Dan,
  >> >
  >> >   I guess  you  are using fairly low  current  density,  otherwise you
  >> >   wouldn't see  the  gray sludge. You would  be  getting  black silver
  >> >   oxide instead.
  >> >
  >> >   The gray  sludge  is formed at the cathode  where  silver  ions have
  >> >   picked up  an  electron  to become  atoms.  These  tend  to surround
  >> >   hydrogen bubbles  that  also form at the cathode.  It  makes  a gray
  >> >   sludge that can hang down from the cathode in small whiskers.
  >> >
  >> >   I use  the formation of these whiskers as an indication the  brew is
  >> >   finished. If you let it go much longer, the voltage across  the cell
  >> >   starts to flatten, which indicates the silver ions are  forming gray
  >> >   sludge, and also forming silver oxide in the Nernst  diffusion layer
  >> >   at both electrodes.
  >> >
  >> >   The silver  oxide, Ag2O, will combine to form larger  particles that
  >> >   give the cs a yellow tint.
  >> >
  >> >   If you get a yellow tint to the solution, you can add a bit  of H2O2
  >> >   to the  cs  and see an interesting  reaction.  Whack  the electrodes
  >> >   first to  break the gray whiskers so they fall to the bottom  of the
  >> >   jar.
  >> >
  >> >   Soon after you add the H2O2, the yellow tint disappears.  This shows
  >> >   the H2O2 acts as a catalyst to convert the silver oxide to ions:
  >> >
  >> >     2Ag2O + H2O2 --> 4Ag(+) + O2(g) + H2O2
  >> >
  >> >   You may  start to notice bits of gray sludge rising to  the surface,
  >> >   then falling  back  down to the bottom. This is caused  by  the H2O2
  >> >   reacting with  the pure silver to form ions and  oxygen.  The oxygen
  >> >   bubbles make  the  gray bits rise to the surface,  where  the bubble
  >> >   breaks and the bit falls back down.
  >> >
  >> >   This reaction is quite different from the prevous one:
  >> >
  >> >     2Ag + 2H2O2 --> 2Ag(+) + O2(g) + 2H2O
  >> >
  >> >   The H2O2  is  consumed to form oxygen and water,  plus  silver ions.
  >> >   This reaction  is very slow, and it takes a lot of  H2O2  to convert
  >> >   even a tiny amount of pure silver to ions.
  >> >
  >> >   I don't  worry about the gray sludge. I just give  the  electrodes a
  >> >   good whack  before removing them from the solution so  they  fall to
  >> >   the bottom  of the jar. I leave them in the  jar  while transferring
  >> >   the cs to another container, then dump them in the sink.
  >> >
  >> >   The gray  sludge is harmless if you happen to drink it.  It  is pure
  >> >   silver and will simply pass through the body without interacting.
  >> >
  >> > Best Regards,
  >> >
  >> > Mike Monett
  >> >
  >> > --
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  >>
  >
  >