Natural Dye Workshop with Michel Garcia and Sustainable Dye Practice

A film series and discussion forum dedicated to the science and practice of natural dyes and pigments using sustainable methods.

Organic Indigo Vat pH

I have started organic indigo vats; one with aloe vera and one with fructose. The pH is quite high. Too high for wool. Will lowering the ph affect the workings of the vat? What should I use to lower it? Tartaric, lemon juice, something else?

The best solution is to add more sugar and wait for about one day: the the sugar is converted in lactic acid: the pH is decreased while the reduction is very strong
Michel

2 comments on “Organic Indigo Vat pH

  1. mltai
    July 18, 2015

    Hi,
    Is the sugar mentioned here is regular or fructose

    • WSN
      July 23, 2015

      The sugar mentioned is fructose. Hope this helps.

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This entry was posted on November 11, 2011 by .
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