Mordanting is crucial in natural dyeing, by preparing fibres to bond effectively with dye and enhancing colour for longer. Alum (potassium aluminium sulfate) is a popular mordant for protein fibres like alpaca yarn because it preserves the fibres’ softness and ensures vibrant colour results. Here’s a step-by-step guide on how to mordant alpaca yarn with … Continue reading How to Mordant Alpaca Yarn with Alum