Recent content by jonathancohen

  1. J

    Non-toxic powder chemicals that change color when mixed

    ...without heat
  2. J

    Non-toxic powder chemicals that change color when mixed

    yes, that is correct
  3. J

    Non-toxic powder chemicals that change color when mixed

    I am working on a project that needs 2 chemicals to react and change colors. The catch is they most likely need to be or come in a powder form, non toxic, and relatively inexpensive. PLEASE HELP!
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