Wash and apply fiber etch
- Weigh the soap
Calculate 1% of the fabric weight. - Dissolve the soap
Use dishwashing liquid only. We recommend Biovert (pH neutral soap). - Add the fabric
Make sure the fabric is not bunched up. - Soak one hour
- Rinse
- Measure alum
Use the provided alum. No need to measure :) - Dissolve alum
- Soak the fabric
- Heat the water to 90 °C
- Cook for one hour, stirring regularly
Make sure the temperature remains at 90 °C. - Rinse