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      • How to Mordant Animal Fibers
      • How to Mordant Plant Fibers
      • How to Mordant with Symplocos
      • How to Mordant with Tannin and Alum
    • Print Paste Thickener Instructions
    • How to Dye with Natural Dye Extracts
      • How to dye with Ceriops
    • How to Dye with Raw Materials
      • Cochineal Insect Instructions
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      • How To Dye With Marigold Flowers
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      • Walnut Powder Instructions
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      • How to Make a 1-2-3 Fructose Indigo Vat
      • How to Make a 1-2-3 Shakealotta Indigo Vat
      • How to Make a 1-2-3 Iron Indigo Vat
      • How to Make a 1-2-3 Henna Indigo Vat
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    • How to check pH
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      • Frequently Asked Questions About Indigo
      • Frequently Asked Questions About Aquarelle Liquid Natural Dyes
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  • Mid-Week FEEDBACK: Indigo Iron Vat & Expired Dyes

    by Amy DuFault on May 20, 2020

    This week: How to make an indigo iron vat, can dyes expire and washfastness

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