using iron

Mordant Monday this week is all about questions:  some are mordanting questions and others are the victims of spellcheck.   I changed my mind How do I change a mordant after the fact?  I have some wool and cotton fabrics with alum on them but I really want to have them mordanted with iron instead. Can I remove the alum and start with an iron base? Answer:  Alum mordants are very durable and long-lasting bonds, and while there are a few substances that can weaken or damage them, using them would probably also damage the fabric and we don’t recommend this … Read more