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1551To: Enid Adams re pH

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  • manihunt <manihunt@yahoo.com>
    Feb 25, 2003
      In your last message you said you use a color strip paper to test the
      pH of water and size. Is this the same as litmus paper or pH paper?
      How do you gauge the amount of acidity with the paper?

      --- In Marbling@yahoogroups.com, "enidadams <enidadams@y...>"
      <enidadams@y...> wrote:
      > I generally only test the pH of my water and size, with color strip
      > paper from Pro Chemical or Bookmakers, and haven't test color pH. I
      > have found marbling works best for me with the bath at 6.5 to 7.
      > Recently I found my methyl cel dissolved with only one tsp of
      > per 2 gallons and was still within the range so I omitted adding
      > vinegar and it seemed to help. pH meters are available from garden
      > centers for testing soil.
      > Whereas Gail says the Createx colors have a high pH and should have
      > corresponding bath pH, certain colors(like magenta)of other brands
      > seem very sensitive to ammonia and start to break up with a high
      > I adjust pH of bath only if all colors are misbehaving. If it is
      > one color, I try intermixing it with a more stable one, as Gail
      > suggested mixing black with navy.
      > Sometimes just diluting the colors with water or clear extender can
      > make it all work. This is counterintuitive if you are trying for
      > strong colors, but I recently had problems that were solved in this
      > way(I had trouble with colors breaking up when they were combed).It
      > can be difficult to recognize the right balance, but practice makes
      > perfect. Good luck!
      > Enid
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