Ferrous Sulphate (Iron) $11.50 250g Iron Mordant for Natural Dyeing Dye grade, will give clear, vibrant colour. Without contaminants found in agricultural iron supplements 4 in stock Quantity Add to cart Category: Natural Dyes Related products The Art and Craft of Natural Dyeing $42.00 Add to cart Tannic Acid $5.65 – $26.00 Select options Natural Dyes $5.50 – $20.75 Select options Copper Sulphate $11.50 Add to cart