How to Make a 1-2-3 Iron Indigo Vat
An iron vat will give you a cool blue-gray color. It is a good choice for dark blue shades. Once it is built, you can dip in this vat at room temperature without reheating it. If you want to dye wool or silk, do not use an iron vat as it damages protein fibers. Important safety note: Iron (ferrous sulfate) in high doses is unsafe for babies, small children and pets. It is not known if iron residue remains on the fabric and in the vat in amounts that could be of concern. Out of an abundance of caution, we … Read more