Natural Dyeing Recipe: Coffee Grounds

I expected the pH of the original dye bath to be really acidic because coffee is acidic, but it was surprisingly fairly neutral, at a solid pH 6. The recipe did call for a lot of water though.

You need:
Coffee grounds

  1. Mix 4 parts cold water to 1 part coffee grounds
  2. Bring to a boil, lower to simmer
  3. Simmer for about 30 minutes
  4. Let cool and strain
  5. Adjust pH as desired

I’m wondering if using less water and more coffee grounds would result in a richer colour. Or if making it really, really acidic would bring out more intense colours. So, it’s an idea for another project (:

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try wonder blog natural dyeing coffee grounds recipe cover

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