Acid Dye May 2026

Because acid dyes exhaust so well, you can often add more fiber to the same bath to create lighter shades.

Powdered dyes (e.g., Jacquard or Dharma Acid Dyes). Acid Agent: White vinegar or citric acid. acid dye

Do not stir wool vigorously while hot to prevent felting. Because acid dyes exhaust so well, you can

Acid dyes are highly effective, vibrant, and water-soluble colorants specifically designed to bond with (wool, silk, alpaca, mohair, cashmere) and nylon in a mildly acidic environment. They are known for exceptional colorfastness and producing deep, brilliant shades. Despite the name, the "acid" refers only to the necessary addition of white vinegar or citric acid to the dye bath, not the dye itself. Essential Supplies Protein Fibers: Wool or silk yarn/fabric. Do not stir wool vigorously while hot to prevent felting

Respirator mask (for powder handling), gloves, and safety goggles.

Some colors, especially reds, may fall out of solution if stock solutions cool; simply reheat them before use. To give you the best advice, are you:

Add 1/4 cup of white vinegar or 1 tablespoon of citric acid per pound of fiber.