{"product_id":"ferrous-sulphate-iron-mordant","title":"Ferrous Sulphate (Iron) Mordant","description":"\u003cp dir=\"ltr\"\u003e\u003cspan\u003eFerrous sulphate (iron) is a powerful mordant and colour modifier used in natural dyeing to deepen tones and create rich, muted shades. Known for its ability to “sadden” colours, iron shifts brighter hues into earthy greys, olives, and deep browns, making it an essential tool for natural dyers seeking more complex, tonal results. It is commonly used with tannin-rich plant dyes and works effectively on both protein fibres like wool and silk, and cellulose fibres such as cotton.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eIron should be used carefully and in small quantities, a little goes a long way, it can also make fibres feel harsher if overused. \u003c\/span\u003e\u003c\/p\u003e","brand":"Earth Kind Crafts","offers":[{"title":"Default Title","offer_id":52991341265238,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":false}],"url":"https:\/\/earthkindcraftsupplies.com\/products\/ferrous-sulphate-iron-mordant","provider":"Earth Kind Crafts","version":"1.0","type":"link"}